From: Jiri Pirko <jiri@resnulli.us>
To: Ido Schimmel <idosch@idosch.org>
Cc: netdev@vger.kernel.org, davem@davemloft.net, dsahern@gmail.com,
jiri@mellanox.com, jakub.kicinski@netronome.com,
saeedm@mellanox.com, mlxsw@mellanox.com,
Ido Schimmel <idosch@mellanox.com>
Subject: Re: [RFC PATCH net-next 13/15] mlxsw: spectrum_router: Mark routes as "in hardware"
Date: Wed, 2 Oct 2019 20:27:30 +0200 [thread overview]
Message-ID: <20191002182730.GG2279@nanopsycho> (raw)
In-Reply-To: <20191002084103.12138-14-idosch@idosch.org>
Wed, Oct 02, 2019 at 10:41:01AM CEST, idosch@idosch.org wrote:
>From: Ido Schimmel <idosch@mellanox.com>
>
>Make use of the recently introduced APIs and mark notified routes as "in
>hardware" after they were programmed to the device's LPM tree.
>
>Similarly, when a route is replaced by an higher priority one, clear the
>"in hardware" indication from it.
>
>Signed-off-by: Ido Schimmel <idosch@mellanox.com>
>---
> .../ethernet/mellanox/mlxsw/spectrum_router.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
>diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
>index 5a4e61f1feec..26ab8ae482ec 100644
>--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
>+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
>@@ -4769,7 +4769,10 @@ static void mlxsw_sp_fib4_entry_replace(struct mlxsw_sp *mlxsw_sp,
> struct mlxsw_sp_fib4_entry *fib4_entry)
> {
> struct mlxsw_sp_fib_node *fib_node = fib4_entry->common.fib_node;
>+ struct net *net = mlxsw_sp_net(mlxsw_sp);
>+ u32 *addr = (u32 *) fib_node->key.addr;
> struct mlxsw_sp_fib4_entry *replaced;
>+ struct fib_info *fi;
>
> if (list_is_singular(&fib_node->entry_list))
> return;
>@@ -4777,6 +4780,10 @@ static void mlxsw_sp_fib4_entry_replace(struct mlxsw_sp *mlxsw_sp,
> /* We inserted the new entry before replaced one */
> replaced = list_next_entry(fib4_entry, common.list);
>
>+ fi = mlxsw_sp_nexthop4_group_fi(replaced->common.nh_group);
>+ fib_alias_in_hw_clear(net, *addr, fib_node->key.prefix_len, fi,
>+ replaced->tos, replaced->type, replaced->tb_id);
>+
> mlxsw_sp_fib4_node_entry_unlink(mlxsw_sp, replaced);
> mlxsw_sp_fib4_entry_destroy(mlxsw_sp, replaced);
> mlxsw_sp_fib_node_put(mlxsw_sp, fib_node);
>@@ -4786,6 +4793,7 @@ static int
> mlxsw_sp_router_fib4_replace(struct mlxsw_sp *mlxsw_sp,
> const struct fib_entry_notifier_info *fen_info)
> {
>+ struct net *net = mlxsw_sp_net(mlxsw_sp);
> struct mlxsw_sp_fib4_entry *fib4_entry;
> struct mlxsw_sp_fib_node *fib_node;
> int err;
>@@ -4815,6 +4823,10 @@ mlxsw_sp_router_fib4_replace(struct mlxsw_sp *mlxsw_sp,
> goto err_fib4_node_entry_link;
> }
>
>+ fib_alias_in_hw_set(net, fen_info->dst, fen_info->dst_len,
>+ fen_info->fi, fen_info->tos, fen_info->type,
>+ fen_info->tb_id);
Can't you pass "fa" through fen_info and down to fib_alias_in_hw_set and
avoid lookup?
>+
> mlxsw_sp_fib4_entry_replace(mlxsw_sp, fib4_entry);
>
> return 0;
>@@ -5731,11 +5743,18 @@ static void mlxsw_sp_fib4_node_flush(struct mlxsw_sp *mlxsw_sp,
> struct mlxsw_sp_fib_node *fib_node)
> {
> struct mlxsw_sp_fib4_entry *fib4_entry, *tmp;
>+ struct net *net = mlxsw_sp_net(mlxsw_sp);
>+ u32 *addr = (u32 *) fib_node->key.addr;
>
> list_for_each_entry_safe(fib4_entry, tmp, &fib_node->entry_list,
> common.list) {
> bool do_break = &tmp->common.list == &fib_node->entry_list;
>+ struct fib_info *fi;
>
>+ fi = mlxsw_sp_nexthop4_group_fi(fib4_entry->common.nh_group);
>+ fib_alias_in_hw_clear(net, *addr, fib_node->key.prefix_len, fi,
>+ fib4_entry->tos, fib4_entry->type,
>+ fib4_entry->tb_id);
> mlxsw_sp_fib4_node_entry_unlink(mlxsw_sp, fib4_entry);
> mlxsw_sp_fib4_entry_destroy(mlxsw_sp, fib4_entry);
> mlxsw_sp_fib_node_put(mlxsw_sp, fib_node);
>--
>2.21.0
>
next prev parent reply other threads:[~2019-10-02 18:27 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-02 8:40 [RFC PATCH net-next 00/15] Simplify IPv4 route offload API Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 01/15] ipv4: Add temporary events to the FIB notification chain Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 02/15] ipv4: Notify route after insertion to the routing table Ido Schimmel
2019-10-03 1:34 ` David Ahern
2019-10-03 5:16 ` Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 03/15] ipv4: Notify route if replacing currently offloaded one Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 04/15] ipv4: Notify newly added route if should be offloaded Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 05/15] ipv4: Handle route deletion notification Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 06/15] ipv4: Handle route deletion notification during flush Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 07/15] ipv4: Only Replay routes of interest to new listeners Ido Schimmel
2019-10-02 17:44 ` Jiri Pirko
2019-10-03 13:04 ` Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 08/15] mlxsw: spectrum_router: Start using new IPv4 route notifications Ido Schimmel
2019-10-02 17:52 ` Jiri Pirko
2019-10-02 18:01 ` Jiri Pirko
2019-10-03 15:10 ` Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 09/15] ipv4: Remove old route notifications and convert listeners Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 10/15] ipv4: Replace route in list before notifying Ido Schimmel
2019-10-02 8:40 ` [RFC PATCH net-next 11/15] ipv4: Encapsulate function arguments in a struct Ido Schimmel
2019-10-02 8:41 ` [RFC PATCH net-next 12/15] ipv4: Add "in hardware" indication to routes Ido Schimmel
2019-10-02 15:58 ` Roopa Prabhu
2019-10-02 18:21 ` Jiri Pirko
2019-10-03 2:34 ` David Ahern
2019-10-03 5:37 ` Ido Schimmel
2019-10-04 1:55 ` David Ahern
2019-10-04 14:43 ` Ido Schimmel
2019-10-04 16:38 ` David Ahern
2019-10-04 17:43 ` Roopa Prabhu
2019-10-04 23:20 ` David Ahern
2019-10-03 5:40 ` Jiri Pirko
2019-10-03 12:59 ` Ido Schimmel
2019-10-04 4:25 ` Roopa Prabhu
2019-10-02 8:41 ` [RFC PATCH net-next 13/15] mlxsw: spectrum_router: Mark routes as "in hardware" Ido Schimmel
2019-10-02 18:27 ` Jiri Pirko [this message]
2019-10-03 15:16 ` Ido Schimmel
2019-10-02 8:41 ` [RFC PATCH net-next 14/15] netdevsim: fib: " Ido Schimmel
2019-10-02 8:41 ` [RFC PATCH net-next 15/15] selftests: netdevsim: Add test for route offload API Ido Schimmel
2019-10-02 18:17 ` [RFC PATCH net-next 00/15] Simplify IPv4 " Jiri Pirko
2019-10-03 5:18 ` Ido Schimmel
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