From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> To: Hangbin Liu <liuhangbin@gmail.com> Cc: bpf@vger.kernel.org, netdev@vger.kernel.org, "Toke Høiland-Jørgensen" <toke@redhat.com>, "Jiri Benc" <jbenc@redhat.com>, "Jesper Dangaard Brouer" <brouer@redhat.com>, "Eelco Chaudron" <echaudro@redhat.com>, ast@kernel.org, "Daniel Borkmann" <daniel@iogearbox.net> Subject: Re: [RFC PATCHv2 bpf-next 1/2] xdp: add a new helper for dev map multicast support Date: Fri, 24 Apr 2020 16:19:08 +0200 Message-ID: <20200424141908.GA6295@localhost.localdomain> (raw) In-Reply-To: <20200424085610.10047-2-liuhangbin@gmail.com> [-- Attachment #1: Type: text/plain, Size: 13985 bytes --] > This is a prototype for xdp multicast support. In this implemention we > add a new helper to accept two maps, forward map and exclude map. > We will redirect the packet to all the interfaces in *forward map*, but > exclude the interfaces that in *exclude map*. > > To achive this I add a new ex_map for struct bpf_redirect_info. > in the helper I set tgt_value to NULL to make a difference with > bpf_xdp_redirect_map() > > We also add a flag *BPF_F_EXCLUDE_INGRESS* incase you don't want to > create a exclude map for each interface and just want to exclude the > ingress interface. > > The general data path is kept in net/core/filter.c. The native data > path is in kernel/bpf/devmap.c so we can use direct calls to > get better performace. > > v2: add new syscall bpf_xdp_redirect_map_multi() which could accept > include/exclude maps directly. > > Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> > --- > include/linux/bpf.h | 20 ++++++ > include/linux/filter.h | 1 + > include/net/xdp.h | 1 + > include/uapi/linux/bpf.h | 23 ++++++- > kernel/bpf/devmap.c | 114 +++++++++++++++++++++++++++++++++ > kernel/bpf/verifier.c | 6 ++ > net/core/filter.c | 98 ++++++++++++++++++++++++++-- > net/core/xdp.c | 26 ++++++++ > tools/include/uapi/linux/bpf.h | 23 ++++++- > 9 files changed, 305 insertions(+), 7 deletions(-) > [...] > +{ > + > + switch (map->map_type) { > + case BPF_MAP_TYPE_DEVMAP: > + return dev_map_get_next_key(map, key, next_key); > + case BPF_MAP_TYPE_DEVMAP_HASH: > + return dev_map_hash_get_next_key(map, key, next_key); > + default: > + break; > + } > + > + return -ENOENT; > +} > + > +bool dev_in_exclude_map(struct bpf_dtab_netdev *obj, struct bpf_map *map, > + int exclude_ifindex) > +{ > + struct bpf_dtab_netdev *in_obj = NULL; > + u32 key, next_key; > + int err; > + > + if (!map) > + return false; doing so it seems mandatory to define an exclude_map even if we want just to do not forward the packet to the "ingress" interface. Moreover I was thinking that we can assume to never forward to in the incoming interface. Doing so the code would be simpler I guess. Is there a use case for it? (forward even to the ingress interface) > + > + if (obj->dev->ifindex == exclude_ifindex) > + return true; > + > + devmap_get_next_key(map, NULL, &key); > + > + for (;;) { > + switch (map->map_type) { > + case BPF_MAP_TYPE_DEVMAP: > + in_obj = __dev_map_lookup_elem(map, key); > + break; > + case BPF_MAP_TYPE_DEVMAP_HASH: > + in_obj = __dev_map_hash_lookup_elem(map, key); > + break; > + default: > + break; > + } > + > + if (in_obj && in_obj->dev->ifindex == obj->dev->ifindex) > + return true; > + > + err = devmap_get_next_key(map, &key, &next_key); > + > + if (err) > + break; > + > + key = next_key; > + } > + > + return false; > +} > + > +int dev_map_enqueue_multi(struct xdp_buff *xdp, struct net_device *dev_rx, > + struct bpf_map *map, struct bpf_map *ex_map, > + bool exclude_ingress) > +{ > + struct bpf_dtab_netdev *obj = NULL; > + struct xdp_frame *xdpf, *nxdpf; > + struct net_device *dev; > + u32 key, next_key; > + int err; > + > + devmap_get_next_key(map, NULL, &key); > + > + xdpf = convert_to_xdp_frame(xdp); > + if (unlikely(!xdpf)) > + return -EOVERFLOW; > + > + for (;;) { > + switch (map->map_type) { > + case BPF_MAP_TYPE_DEVMAP: > + obj = __dev_map_lookup_elem(map, key); > + break; > + case BPF_MAP_TYPE_DEVMAP_HASH: > + obj = __dev_map_hash_lookup_elem(map, key); > + break; > + default: > + break; > + } > + > + if (!obj || dev_in_exclude_map(obj, ex_map, > + exclude_ingress ? dev_rx->ifindex : 0)) > + goto find_next; > + > + dev = obj->dev; > + > + if (!dev->netdev_ops->ndo_xdp_xmit) > + return -EOPNOTSUPP; > + > + err = xdp_ok_fwd_dev(dev, xdp->data_end - xdp->data); > + if (unlikely(err)) > + return err; > + > + nxdpf = xdpf_clone(xdpf); > + if (unlikely(!nxdpf)) > + return -ENOMEM; > + > + bq_enqueue(dev, nxdpf, dev_rx); > + > +find_next: > + err = devmap_get_next_key(map, &key, &next_key); > + if (err) > + break; > + key = next_key; > + } Do we need to free 'incoming' xdp buffer here? I think most of the drivers assume the packet is owned by the stack if xdp_do_redirect returns 0 > + > + return 0; > +} > + > int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, struct sk_buff *skb, > struct bpf_prog *xdp_prog) > { > diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c > index 38cfcf701eeb..f77213a0e354 100644 > --- a/kernel/bpf/verifier.c > +++ b/kernel/bpf/verifier.c > @@ -3880,6 +3880,7 @@ static int check_map_func_compatibility(struct bpf_verifier_env *env, > case BPF_MAP_TYPE_DEVMAP: > case BPF_MAP_TYPE_DEVMAP_HASH: > if (func_id != BPF_FUNC_redirect_map && > + func_id != BPF_FUNC_redirect_map_multi && > func_id != BPF_FUNC_map_lookup_elem) > goto error; > break; > @@ -3970,6 +3971,11 @@ static int check_map_func_compatibility(struct bpf_verifier_env *env, > map->map_type != BPF_MAP_TYPE_XSKMAP) > goto error; > break; > + case BPF_FUNC_redirect_map_multi: > + if (map->map_type != BPF_MAP_TYPE_DEVMAP && > + map->map_type != BPF_MAP_TYPE_DEVMAP_HASH) > + goto error; > + break; > case BPF_FUNC_sk_redirect_map: > case BPF_FUNC_msg_redirect_map: > case BPF_FUNC_sock_map_update: > diff --git a/net/core/filter.c b/net/core/filter.c > index 7d6ceaa54d21..94d1530e5ac6 100644 > --- a/net/core/filter.c > +++ b/net/core/filter.c > @@ -3473,12 +3473,17 @@ static const struct bpf_func_proto bpf_xdp_adjust_meta_proto = { > }; > > static int __bpf_tx_xdp_map(struct net_device *dev_rx, void *fwd, > - struct bpf_map *map, struct xdp_buff *xdp) > + struct bpf_map *map, struct xdp_buff *xdp, > + struct bpf_map *ex_map, bool exclude_ingress) > { > switch (map->map_type) { > case BPF_MAP_TYPE_DEVMAP: > case BPF_MAP_TYPE_DEVMAP_HASH: > - return dev_map_enqueue(fwd, xdp, dev_rx); > + if (fwd) > + return dev_map_enqueue(fwd, xdp, dev_rx); > + else > + return dev_map_enqueue_multi(xdp, dev_rx, map, ex_map, > + exclude_ingress); I guess it would be better to do not make it the default case. Maybe you can add a bit in flags to mark it for "multicast" > case BPF_MAP_TYPE_CPUMAP: > return cpu_map_enqueue(fwd, xdp, dev_rx); > case BPF_MAP_TYPE_XSKMAP: > @@ -3534,6 +3539,8 @@ int xdp_do_redirect(struct net_device *dev, struct xdp_buff *xdp, > struct bpf_prog *xdp_prog) > { > struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info); > + bool exclude_ingress = !!(ri->flags & BPF_F_EXCLUDE_INGRESS); > + struct bpf_map *ex_map = READ_ONCE(ri->ex_map); > struct bpf_map *map = READ_ONCE(ri->map); > u32 index = ri->tgt_index; > void *fwd = ri->tgt_value; > @@ -3552,7 +3559,7 @@ int xdp_do_redirect(struct net_device *dev, struct xdp_buff *xdp, > > err = dev_xdp_enqueue(fwd, xdp, dev); > } else { > - err = __bpf_tx_xdp_map(dev, fwd, map, xdp); > + err = __bpf_tx_xdp_map(dev, fwd, map, xdp, ex_map, exclude_ingress); > } > > if (unlikely(err)) > @@ -3566,6 +3573,49 @@ int xdp_do_redirect(struct net_device *dev, struct xdp_buff *xdp, > } > EXPORT_SYMBOL_GPL(xdp_do_redirect); > > +static int dev_map_redirect_multi(struct net_device *dev, struct sk_buff *skb, > + struct bpf_prog *xdp_prog, > + struct bpf_map *map, struct bpf_map *ex_map, > + bool exclude_ingress) > + > +{ > + struct bpf_dtab_netdev *dst; > + struct sk_buff *nskb; > + u32 key, next_key; > + int err; > + void *fwd; > + > + /* Get first key from forward map */ > + map->ops->map_get_next_key(map, NULL, &key); > + > + for (;;) { > + fwd = __xdp_map_lookup_elem(map, key); > + if (fwd) { > + dst = (struct bpf_dtab_netdev *)fwd; > + if (dev_in_exclude_map(dst, ex_map, > + exclude_ingress ? dev->ifindex : 0)) > + goto find_next; > + > + nskb = skb_clone(skb, GFP_ATOMIC); > + if (!nskb) > + return -EOVERFLOW; > + > + err = dev_map_generic_redirect(dst, nskb, xdp_prog); > + if (unlikely(err)) > + return err; > + } > + > +find_next: > + err = map->ops->map_get_next_key(map, &key, &next_key); > + if (err) > + break; > + > + key = next_key; > + } > + > + return 0; > +} > + > static int xdp_do_generic_redirect_map(struct net_device *dev, > struct sk_buff *skb, > struct xdp_buff *xdp, > @@ -3573,6 +3623,8 @@ static int xdp_do_generic_redirect_map(struct net_device *dev, > struct bpf_map *map) > { > struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info); > + bool exclude_ingress = !!(ri->flags & BPF_F_EXCLUDE_INGRESS); > + struct bpf_map *ex_map = READ_ONCE(ri->ex_map); > u32 index = ri->tgt_index; > void *fwd = ri->tgt_value; > int err = 0; > @@ -3583,9 +3635,16 @@ static int xdp_do_generic_redirect_map(struct net_device *dev, > > if (map->map_type == BPF_MAP_TYPE_DEVMAP || > map->map_type == BPF_MAP_TYPE_DEVMAP_HASH) { > - struct bpf_dtab_netdev *dst = fwd; > + if (fwd) { > + struct bpf_dtab_netdev *dst = fwd; > + > + err = dev_map_generic_redirect(dst, skb, xdp_prog); > + } else { > + /* Deal with multicast maps */ > + err = dev_map_redirect_multi(dev, skb, xdp_prog, map, > + ex_map, exclude_ingress); > + } > > - err = dev_map_generic_redirect(dst, skb, xdp_prog); > if (unlikely(err)) > goto err; > } else if (map->map_type == BPF_MAP_TYPE_XSKMAP) { > @@ -3699,6 +3758,33 @@ static const struct bpf_func_proto bpf_xdp_redirect_map_proto = { > .arg3_type = ARG_ANYTHING, > }; > > +BPF_CALL_3(bpf_xdp_redirect_map_multi, struct bpf_map *, map, > + struct bpf_map *, ex_map, u64, flags) > +{ > + struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info); > + > + if (unlikely(!map || flags > BPF_F_EXCLUDE_INGRESS)) > + return XDP_ABORTED; > + > + ri->tgt_index = 0; > + ri->tgt_value = NULL; > + ri->flags = flags; > + > + WRITE_ONCE(ri->map, map); > + WRITE_ONCE(ri->ex_map, ex_map); > + > + return XDP_REDIRECT; > +} > + > +static const struct bpf_func_proto bpf_xdp_redirect_map_multi_proto = { > + .func = bpf_xdp_redirect_map_multi, > + .gpl_only = false, > + .ret_type = RET_INTEGER, > + .arg1_type = ARG_CONST_MAP_PTR, > + .arg1_type = ARG_CONST_MAP_PTR, > + .arg3_type = ARG_ANYTHING, > +}; > + > static unsigned long bpf_skb_copy(void *dst_buff, const void *skb, > unsigned long off, unsigned long len) > { > @@ -6304,6 +6390,8 @@ xdp_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) > return &bpf_xdp_redirect_proto; > case BPF_FUNC_redirect_map: > return &bpf_xdp_redirect_map_proto; > + case BPF_FUNC_redirect_map_multi: > + return &bpf_xdp_redirect_map_multi_proto; > case BPF_FUNC_xdp_adjust_tail: > return &bpf_xdp_adjust_tail_proto; > case BPF_FUNC_fib_lookup: > diff --git a/net/core/xdp.c b/net/core/xdp.c > index 4c7ea85486af..70dfb4910f84 100644 > --- a/net/core/xdp.c > +++ b/net/core/xdp.c > @@ -496,3 +496,29 @@ struct xdp_frame *xdp_convert_zc_to_xdp_frame(struct xdp_buff *xdp) > return xdpf; > } > EXPORT_SYMBOL_GPL(xdp_convert_zc_to_xdp_frame); > + > +struct xdp_frame *xdpf_clone(struct xdp_frame *xdpf) > +{ > + unsigned int headroom, totalsize; > + struct xdp_frame *nxdpf; > + struct page *page; > + void *addr; > + > + headroom = xdpf->headroom + sizeof(*xdpf); > + totalsize = headroom + xdpf->len; > + > + if (unlikely(totalsize > PAGE_SIZE)) > + return NULL; > + page = dev_alloc_page(); > + if (!page) > + return NULL; > + addr = page_to_virt(page); > + > + memcpy(addr, xdpf, totalsize); > + > + nxdpf = addr; > + nxdpf->data = addr + headroom; > + > + return nxdpf; > +} > +EXPORT_SYMBOL_GPL(xdpf_clone); > diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h > index 2e29a671d67e..1dbe42290223 100644 > --- a/tools/include/uapi/linux/bpf.h > +++ b/tools/include/uapi/linux/bpf.h > @@ -3025,6 +3025,21 @@ union bpf_attr { > * * **-EOPNOTSUPP** Unsupported operation, for example a > * call from outside of TC ingress. > * * **-ESOCKTNOSUPPORT** Socket type not supported (reuseport). > + * > + * int bpf_redirect_map_multi(struct bpf_map *map, struct bpf_map *ex_map, u64 flags) > + * Description > + * Redirect the packet to all the interfaces in *map*, and > + * exclude the interfaces that in *ex_map*. The *ex_map* could > + * be NULL. > + * > + * Currently the *flags* only supports *BPF_F_EXCLUDE_INGRESS*, > + * which could exlcude redirect to the ingress device. > + * > + * See also bpf_redirect_map(), which supports redirecting > + * packet to a specific ifindex in the map. > + * Return > + * **XDP_REDIRECT** on success, or **XDP_ABORTED** on error. > + * > */ > #define __BPF_FUNC_MAPPER(FN) \ > FN(unspec), \ > @@ -3151,7 +3166,8 @@ union bpf_attr { > FN(xdp_output), \ > FN(get_netns_cookie), \ > FN(get_current_ancestor_cgroup_id), \ > - FN(sk_assign), > + FN(sk_assign), \ > + FN(redirect_map_multi), > > /* integer value in 'imm' field of BPF_CALL instruction selects which helper > * function eBPF program intends to call > @@ -3280,6 +3296,11 @@ enum bpf_lwt_encap_mode { > BPF_LWT_ENCAP_IP, > }; > > +/* BPF_FUNC_redirect_map_multi flags. */ > +enum { > + BPF_F_EXCLUDE_INGRESS = (1ULL << 0), > +}; > + > #define __bpf_md_ptr(type, name) \ > union { \ > type name; \ > -- > 2.19.2 > [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 228 bytes --]
next prev parent reply index Thread overview: 219+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-15 8:54 [RFC PATCH bpf-next 0/2] xdp: add " Hangbin Liu 2020-04-15 8:54 ` [RFC PATCH bpf-next 1/2] " Hangbin Liu 2020-04-20 9:52 ` Hangbin Liu 2020-04-15 8:54 ` [RFC PATCH bpf-next 2/2] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-04-24 8:56 ` [RFC PATCHv2 bpf-next 0/2] xdp: add dev map multicast support Hangbin Liu 2020-04-24 8:56 ` [RFC PATCHv2 bpf-next 1/2] xdp: add a new helper for " Hangbin Liu 2020-04-24 14:19 ` Lorenzo Bianconi [this message] 2020-04-28 11:09 ` Eelco Chaudron 2020-05-06 9:35 ` Hangbin Liu 2020-04-24 14:34 ` Toke Høiland-Jørgensen 2020-05-06 9:14 ` Hangbin Liu 2020-05-06 10:00 ` Toke Høiland-Jørgensen 2020-05-08 8:53 ` Hangbin Liu 2020-05-08 14:58 ` Toke Høiland-Jørgensen 2020-05-18 8:45 ` Hangbin Liu 2020-05-19 10:15 ` Jesper Dangaard Brouer 2020-05-20 1:24 ` Hangbin Liu 2020-04-24 8:56 ` [RFC PATCHv2 bpf-next 2/2] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-04-24 14:21 ` Lorenzo Bianconi 2020-05-23 6:05 ` [PATCHv3 bpf-next 0/2] xdp: add dev map multicast support Hangbin Liu 2020-05-23 6:05 ` [PATCHv3 bpf-next 1/2] xdp: add a new helper for " Hangbin Liu 2020-05-26 7:34 ` kbuild test robot 2020-05-23 6:05 ` [PATCHv3 bpf-next 2/2] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-05-26 14:05 ` [PATCHv4 bpf-next 0/2] xdp: add dev map multicast support Hangbin Liu 2020-05-26 14:05 ` [PATCHv4 bpf-next 1/2] xdp: add a new helper for " Hangbin Liu 2020-05-27 10:29 ` Toke Høiland-Jørgensen 2020-06-10 10:18 ` Jesper Dangaard Brouer 2020-06-12 8:54 ` Hangbin Liu 2020-06-16 8:55 ` Jesper Dangaard Brouer 2020-06-16 10:11 ` Hangbin Liu 2020-06-16 14:38 ` Jesper Dangaard Brouer 2020-06-10 10:21 ` Jesper Dangaard Brouer 2020-06-10 10:29 ` Toke Høiland-Jørgensen 2020-06-16 9:04 ` Jesper Dangaard Brouer 2020-05-26 14:05 ` [PATCHv4 bpf-next 2/2] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-05-27 10:21 ` [PATCHv4 bpf-next 0/2] xdp: add dev map multicast support Toke Høiland-Jørgensen 2020-05-27 10:32 ` Eelco Chaudron 2020-05-27 12:38 ` Hangbin Liu 2020-05-27 15:04 ` Toke Høiland-Jørgensen 2020-06-16 9:09 ` Jesper Dangaard Brouer 2020-06-16 9:47 ` Hangbin Liu 2020-06-03 2:40 ` Hangbin Liu 2020-06-03 11:05 ` Toke Høiland-Jørgensen 2020-06-04 4:09 ` Hangbin Liu 2020-06-04 9:44 ` Toke Høiland-Jørgensen 2020-06-04 12:12 ` Hangbin Liu 2020-06-04 12:37 ` Toke Høiland-Jørgensen 2020-06-04 14:41 ` Hangbin Liu 2020-06-04 16:02 ` Toke Høiland-Jørgensen 2020-06-05 6:26 ` Hangbin Liu 2020-06-08 15:32 ` Toke Høiland-Jørgensen 2020-06-09 3:03 ` Hangbin Liu 2020-06-09 20:31 ` Toke Høiland-Jørgensen 2020-06-10 2:35 ` Hangbin Liu 2020-06-10 10:03 ` Jesper Dangaard Brouer 2020-07-01 4:19 ` [PATCHv5 bpf-next 0/3] xdp: add a new helper for " Hangbin Liu 2020-07-01 4:19 ` [PATCHv5 bpf-next 1/3] " Hangbin Liu 2020-07-01 5:09 ` Andrii Nakryiko 2020-07-01 6:51 ` Hangbin Liu 2020-07-01 18:33 ` kernel test robot 2020-07-01 4:19 ` [PATCHv5 bpf-next 2/3] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-07-01 4:19 ` [PATCHv5 bpf-next 3/3] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2020-07-09 1:30 ` [PATCHv6 bpf-next 0/3] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-07-09 1:30 ` [PATCHv6 bpf-next 1/3] " Hangbin Liu 2020-07-09 16:33 ` David Ahern 2020-07-10 6:55 ` Hangbin Liu 2020-07-10 13:46 ` David Ahern 2020-07-11 0:26 ` Hangbin Liu 2020-07-11 16:09 ` David Ahern 2020-07-09 1:30 ` [PATCHv6 bpf-next 2/3] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-07-09 22:40 ` Daniel Borkmann 2020-07-10 6:41 ` Hangbin Liu 2020-07-10 14:32 ` Daniel Borkmann 2020-07-11 0:21 ` Hangbin Liu 2020-07-09 1:30 ` [PATCHv6 bpf-next 3/3] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2020-07-09 22:37 ` [PATCHv6 bpf-next 0/3] xdp: add a new helper for dev map multicast support Daniel Borkmann 2020-07-10 7:36 ` Hangbin Liu 2020-07-10 15:02 ` Daniel Borkmann 2020-07-10 16:52 ` David Ahern 2020-07-14 6:32 ` [PATCHv7 " Hangbin Liu 2020-07-14 6:32 ` [PATCHv7 bpf-next 1/3] " Hangbin Liu 2020-07-14 21:52 ` Toke Høiland-Jørgensen 2020-07-15 12:25 ` Hangbin Liu 2020-07-14 6:32 ` [PATCHv7 bpf-next 2/3] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-07-14 6:32 ` [PATCHv7 bpf-next 3/3] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2020-07-14 12:29 ` [PATCHv7 bpf-next 0/3] xdp: add a new helper for dev map multicast support Toke Høiland-Jørgensen 2020-07-14 17:12 ` David Ahern 2020-07-14 21:53 ` Toke Høiland-Jørgensen 2020-07-15 12:31 ` Hangbin Liu 2020-07-15 3:45 ` Hangbin Liu 2020-07-15 13:08 ` [PATCHv8 " Hangbin Liu 2020-07-15 13:08 ` [PATCHv8 bpf-next 1/3] " Hangbin Liu 2020-07-15 13:08 ` [PATCHv8 bpf-next 2/3] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-07-15 13:08 ` [PATCHv8 bpf-next 3/3] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2020-08-26 13:19 ` [PATCHv9 bpf-next 0/5] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-08-26 13:19 ` [PATCHv9 bpf-next 1/5] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-08-28 21:56 ` Daniel Borkmann 2020-09-03 9:15 ` Hangbin Liu 2020-08-26 13:19 ` [PATCHv9 bpf-next 2/5] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-08-28 22:05 ` Daniel Borkmann 2020-08-26 13:20 ` [PATCHv9 bpf-next 3/5] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-08-26 13:20 ` [PATCHv9 bpf-next 4/5] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2020-08-26 13:20 ` [PATCHv9 bpf-next 5/5] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-09-03 10:26 ` [PATCHv10 bpf-next 0/5] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-09-03 10:26 ` [PATCHv10 bpf-next 1/5] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-09-04 14:26 ` Daniel Borkmann 2020-09-03 10:26 ` [PATCHv10 bpf-next 2/5] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-09-04 14:22 ` Daniel Borkmann 2020-09-03 10:26 ` [PATCHv10 bpf-next 3/5] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-09-03 10:27 ` [PATCHv10 bpf-next 4/5] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2020-09-03 10:27 ` [PATCHv10 bpf-next 5/5] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-09-07 8:27 ` [PATCHv11 bpf-next 0/5] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-09-07 8:27 ` [PATCHv11 bpf-next 1/5] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-09-07 8:27 ` [PATCHv11 bpf-next 2/5] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-09-09 21:52 ` Alexei Starovoitov 2020-09-10 2:35 ` Hangbin Liu 2020-09-10 3:30 ` David Ahern 2020-09-10 5:35 ` Alexei Starovoitov 2020-09-10 9:44 ` Toke Høiland-Jørgensen 2020-09-10 15:39 ` Alexei Starovoitov 2020-09-10 17:50 ` Jesper Dangaard Brouer 2020-09-10 18:35 ` David Ahern 2020-09-11 7:58 ` Jesper Dangaard Brouer 2020-09-15 16:12 ` David Ahern 2020-09-07 8:27 ` [PATCHv11 bpf-next 3/5] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-09-07 8:27 ` [PATCHv11 bpf-next 4/5] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2020-09-07 8:27 ` [PATCHv11 bpf-next 5/5] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-12-16 14:30 ` [PATCHv12 bpf-next 0/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-12-16 14:30 ` [PATCHv12 bpf-next 1/6] bpf: run devmap xdp_prog on flush instead of bulk enqueue Hangbin Liu 2020-12-17 16:07 ` David Ahern 2020-12-18 9:43 ` Hangbin Liu 2020-12-21 8:38 ` Hangbin Liu 2020-12-16 14:30 ` [PATCHv12 bpf-next 2/6] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-12-16 14:30 ` [PATCHv12 bpf-next 3/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-12-16 14:30 ` [PATCHv12 bpf-next 4/6] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-12-16 14:30 ` [PATCHv12 bpf-next 5/6] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-12-16 14:30 ` [PATCHv12 bpf-next 6/6] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2020-12-21 12:34 ` [PATCHv13 bpf-next 0/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-12-21 12:35 ` [PATCHv13 bpf-next 1/6] bpf: run devmap xdp_prog on flush instead of bulk enqueue Hangbin Liu 2020-12-21 12:35 ` [PATCHv13 bpf-next 2/6] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-12-21 12:35 ` [PATCHv13 bpf-next 3/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2020-12-21 12:35 ` [PATCHv13 bpf-next 4/6] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2020-12-21 12:35 ` [PATCHv13 bpf-next 5/6] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2020-12-21 12:35 ` [PATCHv13 bpf-next 6/6] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2021-01-14 14:23 ` [PATCHv14 bpf-next 0/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-01-14 14:23 ` [PATCHv14 bpf-next 1/6] bpf: run devmap xdp_prog on flush instead of bulk enqueue Hangbin Liu 2021-01-17 22:57 ` John Fastabend 2021-01-18 10:07 ` Hangbin Liu 2021-01-21 14:33 ` Jesper Dangaard Brouer 2021-01-14 14:23 ` [PATCHv14 bpf-next 2/6] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-01-14 14:23 ` [PATCHv14 bpf-next 3/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-01-18 0:10 ` John Fastabend 2021-01-18 8:44 ` Hangbin Liu 2021-01-18 10:47 ` Toke Høiland-Jørgensen 2021-01-18 15:14 ` John Fastabend 2021-01-14 14:23 ` [PATCHv14 bpf-next 4/6] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2021-01-14 14:23 ` [PATCHv14 bpf-next 5/6] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-01-14 14:23 ` [PATCHv14 bpf-next 6/6] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2021-01-20 2:25 ` [PATCHv15 bpf-next 0/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-01-20 2:25 ` [PATCHv15 bpf-next 1/6] bpf: run devmap xdp_prog on flush instead of bulk enqueue Hangbin Liu 2021-01-20 22:42 ` Maciej Fijalkowski 2021-01-21 3:54 ` Hangbin Liu 2021-01-21 13:35 ` Maciej Fijalkowski 2021-01-20 2:25 ` [PATCHv15 bpf-next 2/6] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-01-20 2:25 ` [PATCHv15 bpf-next 3/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-01-20 2:25 ` [PATCHv15 bpf-next 4/6] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2021-01-20 2:25 ` [PATCHv15 bpf-next 5/6] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-01-20 2:25 ` [PATCHv15 bpf-next 6/6] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2021-01-22 7:46 ` [PATCHv16 bpf-next 0/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-01-22 7:46 ` [PATCHv16 bpf-next 1/6] bpf: run devmap xdp_prog on flush instead of bulk enqueue Hangbin Liu 2021-01-22 10:50 ` Maciej Fijalkowski 2021-01-22 13:38 ` Toke Høiland-Jørgensen 2021-01-25 3:30 ` Hangbin Liu 2021-01-25 11:21 ` Toke Høiland-Jørgensen 2021-01-25 12:29 ` Maciej Fijalkowski 2021-01-22 7:46 ` [PATCHv16 bpf-next 2/6] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-01-22 7:46 ` [PATCHv16 bpf-next 3/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-01-25 12:27 ` Maciej Fijalkowski 2021-01-26 1:17 ` Hangbin Liu 2021-01-27 22:13 ` John Fastabend 2021-01-22 7:46 ` [PATCHv16 bpf-next 4/6] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2021-01-22 7:46 ` [PATCHv16 bpf-next 5/6] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-01-22 7:46 ` [PATCHv16 bpf-next 6/6] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2021-01-22 13:43 ` [PATCHv16 bpf-next 0/6] xdp: add a new helper for dev map multicast support Toke Høiland-Jørgensen 2021-01-25 12:45 ` [PATCHv17 " Hangbin Liu 2021-01-25 12:45 ` [PATCHv17 bpf-next 1/6] bpf: run devmap xdp_prog on flush instead of bulk enqueue Hangbin Liu 2021-01-27 7:37 ` John Fastabend 2021-01-27 9:41 ` Toke Høiland-Jørgensen 2021-01-27 12:20 ` Maciej Fijalkowski 2021-01-27 15:00 ` Jesper Dangaard Brouer 2021-01-27 15:52 ` John Fastabend 2021-01-27 16:05 ` Toke Høiland-Jørgensen 2021-01-27 15:58 ` Jesper Dangaard Brouer 2021-01-25 12:45 ` [PATCHv17 bpf-next 2/6] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-01-27 21:50 ` John Fastabend 2021-01-25 12:45 ` [PATCHv17 bpf-next 3/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-01-25 12:45 ` [PATCHv17 bpf-next 4/6] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2021-01-25 12:45 ` [PATCHv17 bpf-next 5/6] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-01-27 22:24 ` John Fastabend 2021-01-28 3:53 ` Hangbin Liu 2021-01-28 23:14 ` John Fastabend 2021-01-25 12:45 ` [PATCHv17 bpf-next 6/6] selftests/bpf: add xdp_redirect_multi test Hangbin Liu 2021-01-28 23:37 ` John Fastabend 2021-01-29 1:46 ` Hangbin Liu 2021-02-04 0:14 ` [PATCHv17 bpf-next 0/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-02-04 2:53 ` John Fastabend 2021-02-04 3:12 ` Hangbin Liu 2021-02-04 11:00 ` Toke Høiland-Jørgensen 2021-02-04 12:09 ` Maciej Fijalkowski 2021-02-04 13:33 ` Hangbin Liu 2021-02-04 17:03 ` Jakub Kicinski 2021-02-05 3:07 ` Hangbin Liu 2021-02-04 14:03 ` [PATCHv18 " Hangbin Liu 2021-02-04 14:03 ` [PATCHv18 bpf-next 1/6] bpf: run devmap xdp_prog on flush instead of bulk enqueue Hangbin Liu 2021-02-04 14:03 ` [PATCHv18 bpf-next 2/6] bpf: add a new bpf argument type ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-02-04 14:03 ` [PATCHv18 bpf-next 3/6] xdp: add a new helper for dev map multicast support Hangbin Liu 2021-02-04 14:03 ` [PATCHv18 bpf-next 4/6] sample/bpf: add xdp_redirect_map_multicast test Hangbin Liu 2021-02-04 14:03 ` [PATCHv18 bpf-next 5/6] selftests/bpf: Add verifier tests for bpf arg ARG_CONST_MAP_PTR_OR_NULL Hangbin Liu 2021-02-04 14:03 ` [PATCHv18 bpf-next 6/6] selftests/bpf: add xdp_redirect_multi test Hangbin Liu
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