From: Mina Almasry <almasrymina@google.com> To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Cc: "Mina Almasry" <almasrymina@google.com>, "David S. Miller" <davem@davemloft.net>, "Eric Dumazet" <edumazet@google.com>, "Jakub Kicinski" <kuba@kernel.org>, "Paolo Abeni" <pabeni@redhat.com>, "Jesper Dangaard Brouer" <hawk@kernel.org>, "Ilias Apalodimas" <ilias.apalodimas@linaro.org>, "Arnd Bergmann" <arnd@arndb.de>, "David Ahern" <dsahern@kernel.org>, "Willem de Bruijn" <willemdebruijn.kernel@gmail.com>, "Shuah Khan" <shuah@kernel.org>, "Sumit Semwal" <sumit.semwal@linaro.org>, "Christian König" <christian.koenig@amd.com>, "Shakeel Butt" <shakeelb@google.com>, "Jeroen de Borst" <jeroendb@google.com>, "Praveen Kaligineedi" <pkaligineedi@google.com> Subject: [RFC PATCH v3 08/12] net: support non paged skb frags Date: Sun, 5 Nov 2023 18:44:07 -0800 [thread overview] Message-ID: <20231106024413.2801438-9-almasrymina@google.com> (raw) In-Reply-To: <20231106024413.2801438-1-almasrymina@google.com> Make skb_frag_page() fail in the case where the frag is not backed by a page, and fix its relevent callers to handle this case. Correctly handle skb_frag refcounting in the page_pool_iovs case. Signed-off-by: Mina Almasry <almasrymina@google.com> --- include/linux/skbuff.h | 42 +++++++++++++++++++++++++++++++++++------- net/core/gro.c | 2 +- net/core/skbuff.c | 3 +++ net/ipv4/tcp.c | 10 +++++++++- 4 files changed, 48 insertions(+), 9 deletions(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 97bfef071255..1fae276c1353 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -37,6 +37,8 @@ #endif #include <net/net_debug.h> #include <net/dropreason-core.h> +#include <net/page_pool/types.h> +#include <net/page_pool/helpers.h> /** * DOC: skb checksums @@ -3402,15 +3404,38 @@ static inline void skb_frag_off_copy(skb_frag_t *fragto, fragto->bv_offset = fragfrom->bv_offset; } +/* Returns true if the skb_frag contains a page_pool_iov. */ +static inline bool skb_frag_is_page_pool_iov(const skb_frag_t *frag) +{ + return page_is_page_pool_iov(frag->bv_page); +} + /** * skb_frag_page - retrieve the page referred to by a paged fragment * @frag: the paged fragment * - * Returns the &struct page associated with @frag. + * Returns the &struct page associated with @frag. Returns NULL if this frag + * has no associated page. */ static inline struct page *skb_frag_page(const skb_frag_t *frag) { - return frag->bv_page; + if (!page_is_page_pool_iov(frag->bv_page)) + return frag->bv_page; + + return NULL; +} + +/** + * skb_frag_page_pool_iov - retrieve the page_pool_iov referred to by fragment + * @frag: the fragment + * + * Returns the &struct page_pool_iov associated with @frag. Returns NULL if this + * frag has no associated page_pool_iov. + */ +static inline struct page_pool_iov * +skb_frag_page_pool_iov(const skb_frag_t *frag) +{ + return page_to_page_pool_iov(frag->bv_page); } /** @@ -3421,7 +3446,7 @@ static inline struct page *skb_frag_page(const skb_frag_t *frag) */ static inline void __skb_frag_ref(skb_frag_t *frag) { - get_page(skb_frag_page(frag)); + page_pool_page_get_many(frag->bv_page, 1); } /** @@ -3441,13 +3466,13 @@ bool napi_pp_put_page(struct page *page, bool napi_safe); static inline void napi_frag_unref(skb_frag_t *frag, bool recycle, bool napi_safe) { - struct page *page = skb_frag_page(frag); - #ifdef CONFIG_PAGE_POOL - if (recycle && napi_pp_put_page(page, napi_safe)) + if (recycle && napi_pp_put_page(frag->bv_page, napi_safe)) return; + page_pool_page_put_many(frag->bv_page, 1); +#else + put_page(skb_frag_page(frag)); #endif - put_page(page); } /** @@ -3487,6 +3512,9 @@ static inline void skb_frag_unref(struct sk_buff *skb, int f) */ static inline void *skb_frag_address(const skb_frag_t *frag) { + if (!skb_frag_page(frag)) + return NULL; + return page_address(skb_frag_page(frag)) + skb_frag_off(frag); } diff --git a/net/core/gro.c b/net/core/gro.c index 0759277dc14e..42d7f6755f32 100644 --- a/net/core/gro.c +++ b/net/core/gro.c @@ -376,7 +376,7 @@ static inline void skb_gro_reset_offset(struct sk_buff *skb, u32 nhoff) NAPI_GRO_CB(skb)->frag0 = NULL; NAPI_GRO_CB(skb)->frag0_len = 0; - if (!skb_headlen(skb) && pinfo->nr_frags && + if (!skb_headlen(skb) && pinfo->nr_frags && skb_frag_page(frag0) && !PageHighMem(skb_frag_page(frag0)) && (!NET_IP_ALIGN || !((skb_frag_off(frag0) + nhoff) & 3))) { NAPI_GRO_CB(skb)->frag0 = skb_frag_address(frag0); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index c52ddd6891d9..13eca4fd25e1 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2994,6 +2994,9 @@ static bool __skb_splice_bits(struct sk_buff *skb, struct pipe_inode_info *pipe, for (seg = 0; seg < skb_shinfo(skb)->nr_frags; seg++) { const skb_frag_t *f = &skb_shinfo(skb)->frags[seg]; + if (WARN_ON_ONCE(!skb_frag_page(f))) + return false; + if (__splice_segment(skb_frag_page(f), skb_frag_off(f), skb_frag_size(f), offset, len, spd, false, sk, pipe)) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index a86d8200a1e8..23b29dc49271 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2155,6 +2155,9 @@ static int tcp_zerocopy_receive(struct sock *sk, break; } page = skb_frag_page(frags); + if (WARN_ON_ONCE(!page)) + break; + prefetchw(page); pages[pages_to_map++] = page; length += PAGE_SIZE; @@ -4411,7 +4414,12 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp, for (i = 0; i < shi->nr_frags; ++i) { const skb_frag_t *f = &shi->frags[i]; unsigned int offset = skb_frag_off(f); - struct page *page = skb_frag_page(f) + (offset >> PAGE_SHIFT); + struct page *page = skb_frag_page(f); + + if (WARN_ON_ONCE(!page)) + return 1; + + page += offset >> PAGE_SHIFT; sg_set_page(&sg, page, skb_frag_size(f), offset_in_page(offset)); -- 2.42.0.869.gea05f2083d-goog
WARNING: multiple messages have this Message-ID (diff)
From: Mina Almasry <almasrymina@google.com> To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Cc: "Mina Almasry" <almasrymina@google.com>, "Willem de Bruijn" <willemdebruijn.kernel@gmail.com>, "Jeroen de Borst" <jeroendb@google.com>, "Jesper Dangaard Brouer" <hawk@kernel.org>, "Arnd Bergmann" <arnd@arndb.de>, "Christian König" <christian.koenig@amd.com>, "David Ahern" <dsahern@kernel.org>, "Ilias Apalodimas" <ilias.apalodimas@linaro.org>, "Sumit Semwal" <sumit.semwal@linaro.org>, "Eric Dumazet" <edumazet@google.com>, "Shakeel Butt" <shakeelb@google.com>, "Praveen Kaligineedi" <pkaligineedi@google.com>, "Jakub Kicinski" <kuba@kernel.org>, "Paolo Abeni" <pabeni@redhat.com>, "Shuah Khan" <shuah@kernel.org>, "David S. Miller" <davem@davemloft.net> Subject: [RFC PATCH v3 08/12] net: support non paged skb frags Date: Sun, 5 Nov 2023 18:44:07 -0800 [thread overview] Message-ID: <20231106024413.2801438-9-almasrymina@google.com> (raw) In-Reply-To: <20231106024413.2801438-1-almasrymina@google.com> Make skb_frag_page() fail in the case where the frag is not backed by a page, and fix its relevent callers to handle this case. Correctly handle skb_frag refcounting in the page_pool_iovs case. Signed-off-by: Mina Almasry <almasrymina@google.com> --- include/linux/skbuff.h | 42 +++++++++++++++++++++++++++++++++++------- net/core/gro.c | 2 +- net/core/skbuff.c | 3 +++ net/ipv4/tcp.c | 10 +++++++++- 4 files changed, 48 insertions(+), 9 deletions(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 97bfef071255..1fae276c1353 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -37,6 +37,8 @@ #endif #include <net/net_debug.h> #include <net/dropreason-core.h> +#include <net/page_pool/types.h> +#include <net/page_pool/helpers.h> /** * DOC: skb checksums @@ -3402,15 +3404,38 @@ static inline void skb_frag_off_copy(skb_frag_t *fragto, fragto->bv_offset = fragfrom->bv_offset; } +/* Returns true if the skb_frag contains a page_pool_iov. */ +static inline bool skb_frag_is_page_pool_iov(const skb_frag_t *frag) +{ + return page_is_page_pool_iov(frag->bv_page); +} + /** * skb_frag_page - retrieve the page referred to by a paged fragment * @frag: the paged fragment * - * Returns the &struct page associated with @frag. + * Returns the &struct page associated with @frag. Returns NULL if this frag + * has no associated page. */ static inline struct page *skb_frag_page(const skb_frag_t *frag) { - return frag->bv_page; + if (!page_is_page_pool_iov(frag->bv_page)) + return frag->bv_page; + + return NULL; +} + +/** + * skb_frag_page_pool_iov - retrieve the page_pool_iov referred to by fragment + * @frag: the fragment + * + * Returns the &struct page_pool_iov associated with @frag. Returns NULL if this + * frag has no associated page_pool_iov. + */ +static inline struct page_pool_iov * +skb_frag_page_pool_iov(const skb_frag_t *frag) +{ + return page_to_page_pool_iov(frag->bv_page); } /** @@ -3421,7 +3446,7 @@ static inline struct page *skb_frag_page(const skb_frag_t *frag) */ static inline void __skb_frag_ref(skb_frag_t *frag) { - get_page(skb_frag_page(frag)); + page_pool_page_get_many(frag->bv_page, 1); } /** @@ -3441,13 +3466,13 @@ bool napi_pp_put_page(struct page *page, bool napi_safe); static inline void napi_frag_unref(skb_frag_t *frag, bool recycle, bool napi_safe) { - struct page *page = skb_frag_page(frag); - #ifdef CONFIG_PAGE_POOL - if (recycle && napi_pp_put_page(page, napi_safe)) + if (recycle && napi_pp_put_page(frag->bv_page, napi_safe)) return; + page_pool_page_put_many(frag->bv_page, 1); +#else + put_page(skb_frag_page(frag)); #endif - put_page(page); } /** @@ -3487,6 +3512,9 @@ static inline void skb_frag_unref(struct sk_buff *skb, int f) */ static inline void *skb_frag_address(const skb_frag_t *frag) { + if (!skb_frag_page(frag)) + return NULL; + return page_address(skb_frag_page(frag)) + skb_frag_off(frag); } diff --git a/net/core/gro.c b/net/core/gro.c index 0759277dc14e..42d7f6755f32 100644 --- a/net/core/gro.c +++ b/net/core/gro.c @@ -376,7 +376,7 @@ static inline void skb_gro_reset_offset(struct sk_buff *skb, u32 nhoff) NAPI_GRO_CB(skb)->frag0 = NULL; NAPI_GRO_CB(skb)->frag0_len = 0; - if (!skb_headlen(skb) && pinfo->nr_frags && + if (!skb_headlen(skb) && pinfo->nr_frags && skb_frag_page(frag0) && !PageHighMem(skb_frag_page(frag0)) && (!NET_IP_ALIGN || !((skb_frag_off(frag0) + nhoff) & 3))) { NAPI_GRO_CB(skb)->frag0 = skb_frag_address(frag0); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index c52ddd6891d9..13eca4fd25e1 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2994,6 +2994,9 @@ static bool __skb_splice_bits(struct sk_buff *skb, struct pipe_inode_info *pipe, for (seg = 0; seg < skb_shinfo(skb)->nr_frags; seg++) { const skb_frag_t *f = &skb_shinfo(skb)->frags[seg]; + if (WARN_ON_ONCE(!skb_frag_page(f))) + return false; + if (__splice_segment(skb_frag_page(f), skb_frag_off(f), skb_frag_size(f), offset, len, spd, false, sk, pipe)) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index a86d8200a1e8..23b29dc49271 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2155,6 +2155,9 @@ static int tcp_zerocopy_receive(struct sock *sk, break; } page = skb_frag_page(frags); + if (WARN_ON_ONCE(!page)) + break; + prefetchw(page); pages[pages_to_map++] = page; length += PAGE_SIZE; @@ -4411,7 +4414,12 @@ int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *hp, for (i = 0; i < shi->nr_frags; ++i) { const skb_frag_t *f = &shi->frags[i]; unsigned int offset = skb_frag_off(f); - struct page *page = skb_frag_page(f) + (offset >> PAGE_SHIFT); + struct page *page = skb_frag_page(f); + + if (WARN_ON_ONCE(!page)) + return 1; + + page += offset >> PAGE_SHIFT; sg_set_page(&sg, page, skb_frag_size(f), offset_in_page(offset)); -- 2.42.0.869.gea05f2083d-goog
next prev parent reply other threads:[~2023-11-06 2:45 UTC|newest] Thread overview: 254+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-11-06 2:43 [RFC PATCH v3 00/12] Device Memory TCP Mina Almasry 2023-11-06 2:43 ` Mina Almasry 2023-11-06 2:44 ` [RFC PATCH v3 01/12] net: page_pool: factor out releasing DMA from releasing the page Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-06 2:44 ` [RFC PATCH v3 02/12] net: page_pool: create hooks for custom page providers Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-07 7:44 ` Yunsheng Lin 2023-11-07 7:44 ` Yunsheng Lin 2023-11-09 11:09 ` Paolo Abeni 2023-11-09 11:09 ` Paolo Abeni 2023-11-10 23:19 ` Jakub Kicinski 2023-11-10 23:19 ` Jakub Kicinski 2023-11-13 3:28 ` Mina Almasry 2023-11-13 3:28 ` Mina Almasry 2023-11-13 22:10 ` Jakub Kicinski 2023-11-13 22:10 ` Jakub Kicinski 2023-11-06 2:44 ` [RFC PATCH v3 03/12] net: netdev netlink api to bind dma-buf to a net device Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-10 23:16 ` Jakub Kicinski 2023-11-10 23:16 ` Jakub Kicinski 2023-11-06 2:44 ` [RFC PATCH v3 04/12] netdev: support binding dma-buf to netdevice Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-07 7:46 ` Yunsheng Lin 2023-11-07 7:46 ` Yunsheng Lin 2023-11-07 21:59 ` Mina Almasry 2023-11-07 21:59 ` Mina Almasry 2023-11-08 3:40 ` Yunsheng Lin 2023-11-08 3:40 ` Yunsheng Lin 2023-11-09 2:22 ` Mina Almasry 2023-11-09 2:22 ` Mina Almasry 2023-11-09 9:29 ` Yunsheng Lin 2023-11-09 9:29 ` Yunsheng Lin 2023-11-08 23:47 ` David Wei 2023-11-08 23:47 ` David Wei 2023-11-09 2:25 ` Mina Almasry 2023-11-09 2:25 ` Mina Almasry 2023-11-09 8:29 ` Paolo Abeni 2023-11-09 8:29 ` Paolo Abeni 2023-11-10 2:59 ` Mina Almasry 2023-11-10 2:59 ` Mina Almasry 2023-11-10 7:38 ` Yunsheng Lin 2023-11-10 7:38 ` Yunsheng Lin 2023-11-10 9:45 ` Mina Almasry 2023-11-10 9:45 ` Mina Almasry 2023-11-10 23:19 ` Jakub Kicinski 2023-11-10 23:19 ` Jakub Kicinski 2023-11-11 2:19 ` Mina Almasry 2023-11-11 2:19 ` Mina Almasry 2023-11-06 2:44 ` [RFC PATCH v3 05/12] netdev: netdevice devmem allocator Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-06 23:44 ` David Ahern 2023-11-06 23:44 ` David Ahern 2023-11-07 22:10 ` Mina Almasry 2023-11-07 22:10 ` Mina Almasry 2023-11-07 22:55 ` David Ahern 2023-11-07 22:55 ` David Ahern 2023-11-07 23:03 ` Mina Almasry 2023-11-07 23:03 ` Mina Almasry 2023-11-09 1:15 ` David Wei 2023-11-09 1:15 ` David Wei 2023-11-10 14:26 ` Pavel Begunkov 2023-11-10 14:26 ` Pavel Begunkov 2023-11-11 17:19 ` David Ahern 2023-11-11 17:19 ` David Ahern 2023-11-14 16:09 ` Pavel Begunkov 2023-11-14 16:09 ` Pavel Begunkov 2023-11-09 1:00 ` David Wei 2023-11-09 1:00 ` David Wei 2023-11-08 3:48 ` Yunsheng Lin 2023-11-08 3:48 ` Yunsheng Lin 2023-11-09 1:41 ` Mina Almasry 2023-11-09 1:41 ` Mina Almasry 2023-11-07 7:45 ` Yunsheng Lin 2023-11-07 7:45 ` Yunsheng Lin 2023-11-09 8:44 ` Paolo Abeni 2023-11-09 8:44 ` Paolo Abeni 2023-11-06 2:44 ` [RFC PATCH v3 06/12] memory-provider: dmabuf devmem memory provider Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-06 21:02 ` Stanislav Fomichev 2023-11-06 21:02 ` Stanislav Fomichev 2023-11-06 23:49 ` David Ahern 2023-11-06 23:49 ` David Ahern 2023-11-08 0:02 ` Mina Almasry 2023-11-08 0:02 ` Mina Almasry 2023-11-08 0:10 ` David Ahern 2023-11-08 0:10 ` David Ahern 2023-11-10 23:16 ` Jakub Kicinski 2023-11-10 23:16 ` Jakub Kicinski 2023-11-13 4:54 ` Mina Almasry 2023-11-13 4:54 ` Mina Almasry 2023-11-06 2:44 ` [RFC PATCH v3 07/12] page-pool: device memory support Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-07 8:00 ` Yunsheng Lin 2023-11-07 8:00 ` Yunsheng Lin 2023-11-07 21:56 ` Mina Almasry 2023-11-07 21:56 ` Mina Almasry 2023-11-08 10:56 ` Yunsheng Lin 2023-11-08 10:56 ` Yunsheng Lin 2023-11-09 3:20 ` Mina Almasry 2023-11-09 3:20 ` Mina Almasry 2023-11-09 9:30 ` Yunsheng Lin 2023-11-09 9:30 ` Yunsheng Lin 2023-11-09 12:20 ` Mina Almasry 2023-11-09 12:20 ` Mina Almasry 2023-11-09 13:23 ` Yunsheng Lin 2023-11-09 13:23 ` Yunsheng Lin 2023-11-09 14:23 ` Christian König 2023-11-09 9:01 ` Paolo Abeni 2023-11-09 9:01 ` Paolo Abeni 2023-11-06 2:44 ` Mina Almasry [this message] 2023-11-06 2:44 ` [RFC PATCH v3 08/12] net: support non paged skb frags Mina Almasry 2023-11-07 9:00 ` Yunsheng Lin 2023-11-07 9:00 ` Yunsheng Lin 2023-11-07 21:19 ` Mina Almasry 2023-11-07 21:19 ` Mina Almasry 2023-11-08 11:25 ` Yunsheng Lin 2023-11-08 11:25 ` Yunsheng Lin 2023-11-09 9:14 ` Paolo Abeni 2023-11-09 9:14 ` Paolo Abeni 2023-11-10 4:06 ` Mina Almasry 2023-11-10 4:06 ` Mina Almasry 2023-11-10 23:19 ` Jakub Kicinski 2023-11-10 23:19 ` Jakub Kicinski 2023-11-13 6:05 ` Mina Almasry 2023-11-13 6:05 ` Mina Almasry 2023-11-13 22:17 ` Jakub Kicinski 2023-11-13 22:17 ` Jakub Kicinski 2023-11-06 2:44 ` [RFC PATCH v3 09/12] net: add support for skbs with unreadable frags Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-06 18:47 ` Stanislav Fomichev 2023-11-06 18:47 ` Stanislav Fomichev 2023-11-06 19:34 ` David Ahern 2023-11-06 19:34 ` David Ahern 2023-11-06 20:31 ` Mina Almasry 2023-11-06 20:31 ` Mina Almasry 2023-11-06 21:59 ` Stanislav Fomichev 2023-11-06 21:59 ` Stanislav Fomichev 2023-11-06 22:18 ` Mina Almasry 2023-11-06 22:18 ` Mina Almasry 2023-11-06 22:59 ` Stanislav Fomichev 2023-11-06 22:59 ` Stanislav Fomichev 2023-11-06 23:14 ` Kaiyuan Zhang 2023-11-06 23:27 ` Mina Almasry 2023-11-06 23:27 ` Mina Almasry 2023-11-06 23:55 ` Stanislav Fomichev 2023-11-06 23:55 ` Stanislav Fomichev 2023-11-07 0:07 ` Willem de Bruijn 2023-11-07 0:07 ` Willem de Bruijn 2023-11-07 0:14 ` Stanislav Fomichev 2023-11-07 0:14 ` Stanislav Fomichev 2023-11-07 0:59 ` Stanislav Fomichev 2023-11-07 0:59 ` Stanislav Fomichev 2023-11-07 2:23 ` Willem de Bruijn 2023-11-07 2:23 ` Willem de Bruijn 2023-11-07 17:44 ` Stanislav Fomichev 2023-11-07 17:44 ` Stanislav Fomichev 2023-11-07 17:57 ` Willem de Bruijn 2023-11-07 17:57 ` Willem de Bruijn 2023-11-07 18:14 ` Stanislav Fomichev 2023-11-07 18:14 ` Stanislav Fomichev 2023-11-07 0:20 ` Mina Almasry 2023-11-07 0:20 ` Mina Almasry 2023-11-07 1:06 ` Stanislav Fomichev 2023-11-07 1:06 ` Stanislav Fomichev 2023-11-07 19:53 ` Mina Almasry 2023-11-07 19:53 ` Mina Almasry 2023-11-07 21:05 ` Stanislav Fomichev 2023-11-07 21:05 ` Stanislav Fomichev 2023-11-07 21:17 ` Eric Dumazet 2023-11-07 21:17 ` Eric Dumazet 2023-11-07 22:23 ` Stanislav Fomichev 2023-11-07 22:23 ` Stanislav Fomichev 2023-11-10 23:17 ` Jakub Kicinski 2023-11-10 23:17 ` Jakub Kicinski 2023-11-10 23:19 ` Jakub Kicinski 2023-11-10 23:19 ` Jakub Kicinski 2023-11-07 1:09 ` David Ahern 2023-11-07 1:09 ` David Ahern 2023-11-06 23:37 ` David Ahern 2023-11-06 23:37 ` David Ahern 2023-11-07 0:03 ` Mina Almasry 2023-11-07 0:03 ` Mina Almasry 2023-11-06 20:56 ` Stanislav Fomichev 2023-11-06 20:56 ` Stanislav Fomichev 2023-11-07 0:16 ` David Ahern 2023-11-07 0:16 ` David Ahern 2023-11-07 0:23 ` Mina Almasry 2023-11-07 0:23 ` Mina Almasry 2023-11-08 14:43 ` David Laight 2023-11-08 14:43 ` David Laight 2023-11-06 2:44 ` [RFC PATCH v3 10/12] tcp: RX path for devmem TCP Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-06 18:44 ` Stanislav Fomichev 2023-11-06 18:44 ` Stanislav Fomichev 2023-11-06 19:29 ` Mina Almasry 2023-11-06 19:29 ` Mina Almasry 2023-11-06 21:14 ` Willem de Bruijn 2023-11-06 21:14 ` Willem de Bruijn 2023-11-06 22:34 ` Stanislav Fomichev 2023-11-06 22:34 ` Stanislav Fomichev 2023-11-06 22:55 ` Willem de Bruijn 2023-11-06 22:55 ` Willem de Bruijn 2023-11-06 23:32 ` Stanislav Fomichev 2023-11-06 23:32 ` Stanislav Fomichev 2023-11-06 23:55 ` David Ahern 2023-11-06 23:55 ` David Ahern 2023-11-07 0:02 ` Willem de Bruijn 2023-11-07 0:02 ` Willem de Bruijn 2023-11-07 23:55 ` Mina Almasry 2023-11-07 23:55 ` Mina Almasry 2023-11-08 0:01 ` David Ahern 2023-11-08 0:01 ` David Ahern 2023-11-09 2:39 ` Mina Almasry 2023-11-09 2:39 ` Mina Almasry 2023-11-09 16:07 ` Edward Cree 2023-11-09 16:07 ` Edward Cree 2023-12-08 20:12 ` Pavel Begunkov 2023-12-08 20:12 ` Pavel Begunkov 2023-11-09 11:05 ` Paolo Abeni 2023-11-09 11:05 ` Paolo Abeni 2023-11-10 23:16 ` Jakub Kicinski 2023-11-10 23:16 ` Jakub Kicinski 2023-12-08 20:28 ` Pavel Begunkov 2023-12-08 20:28 ` Pavel Begunkov 2023-12-08 20:09 ` Pavel Begunkov 2023-12-08 20:09 ` Pavel Begunkov 2023-11-06 21:17 ` Stanislav Fomichev 2023-11-06 21:17 ` Stanislav Fomichev 2023-11-08 15:36 ` Edward Cree 2023-11-08 15:36 ` Edward Cree 2023-11-09 10:52 ` Paolo Abeni 2023-11-09 10:52 ` Paolo Abeni 2023-11-10 23:19 ` Jakub Kicinski 2023-11-10 23:19 ` Jakub Kicinski 2023-11-06 2:44 ` [RFC PATCH v3 11/12] net: add SO_DEVMEM_DONTNEED setsockopt to release RX pages Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-06 2:44 ` [RFC PATCH v3 12/12] selftests: add ncdevmem, netcat for devmem TCP Mina Almasry 2023-11-06 2:44 ` Mina Almasry 2023-11-09 11:03 ` Paolo Abeni 2023-11-09 11:03 ` Paolo Abeni 2023-11-10 23:13 ` Jakub Kicinski 2023-11-10 23:13 ` Jakub Kicinski 2023-11-11 2:27 ` Mina Almasry 2023-11-11 2:27 ` Mina Almasry 2023-11-11 2:35 ` Jakub Kicinski 2023-11-11 2:35 ` Jakub Kicinski 2023-11-13 4:08 ` Mina Almasry 2023-11-13 4:08 ` Mina Almasry 2023-11-13 22:20 ` Jakub Kicinski 2023-11-13 22:20 ` Jakub Kicinski 2023-11-10 23:17 ` Jakub Kicinski 2023-11-10 23:17 ` Jakub Kicinski 2023-11-07 15:18 ` [RFC PATCH v3 00/12] Device Memory TCP David Ahern 2023-11-07 15:18 ` David Ahern
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