netdev - [PATCH net-next 06/10] net: Pass 'net' struct as first argument to fib6_info_hw_flags

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Message-Id: <20210126132311.3061388-7-idosch@idosch.org>
Date:   Tue, 26 Jan 2021 15:23:07 +0200
From:   Ido Schimmel <idosch@...sch.org>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, dsahern@...il.com,
        amcohen@...dia.com, roopa@...dia.com, sharpd@...dia.com,
        bpoirier@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 06/10] net: Pass 'net' struct as first argument to fib6_info_hw_flags_set()

From: Amit Cohen <amcohen@...dia.com>

The next patch will emit notification when hardware flags are changed,
in case that fib_notify_on_flag_change sysctl is set to 1.

To know sysctl values, net struct is needed.
This change is consistent with the IPv4 version, which gets 'net' struct
as its first argument.

Currently, the only callers of this function are mlxsw and netdevsim.
Patch the callers to pass net.

Signed-off-by: Amit Cohen <amcohen@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 .../net/ethernet/mellanox/mlxsw/spectrum_router.c  |  7 ++++---
 drivers/net/netdevsim/fib.c                        | 14 ++++++++------
 include/net/ip6_fib.h                              |  5 +++--
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 41424ee909a0..60acb9292451 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -4976,8 +4976,8 @@ mlxsw_sp_fib6_entry_hw_flags_set(struct mlxsw_sp *mlxsw_sp,
 	fib6_entry = container_of(fib_entry, struct mlxsw_sp_fib6_entry,
 				  common);
 	list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list)
-		fib6_info_hw_flags_set(mlxsw_sp_rt6->rt, should_offload,
-				       !should_offload);
+		fib6_info_hw_flags_set(mlxsw_sp_net(mlxsw_sp), mlxsw_sp_rt6->rt,
+				       should_offload, !should_offload);
 }
 
 static void
@@ -4990,7 +4990,8 @@ mlxsw_sp_fib6_entry_hw_flags_clear(struct mlxsw_sp *mlxsw_sp,
 	fib6_entry = container_of(fib_entry, struct mlxsw_sp_fib6_entry,
 				  common);
 	list_for_each_entry(mlxsw_sp_rt6, &fib6_entry->rt6_list, list)
-		fib6_info_hw_flags_set(mlxsw_sp_rt6->rt, false, false);
+		fib6_info_hw_flags_set(mlxsw_sp_net(mlxsw_sp), mlxsw_sp_rt6->rt,
+				       false, false);
 }
 
 static void
diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c
index 779c272ad2ae..21858edd2ec9 100644
--- a/drivers/net/netdevsim/fib.c
+++ b/drivers/net/netdevsim/fib.c
@@ -585,13 +585,15 @@ static int nsim_fib6_rt_append(struct nsim_fib_data *data,
 	return err;
 }
 
-static void nsim_fib6_rt_hw_flags_set(const struct nsim_fib6_rt *fib6_rt,
+static void nsim_fib6_rt_hw_flags_set(struct nsim_fib_data *data,
+				      const struct nsim_fib6_rt *fib6_rt,
 				      bool trap)
 {
+	struct net *net = devlink_net(data->devlink);
 	struct nsim_fib6_rt_nh *fib6_rt_nh;
 
 	list_for_each_entry(fib6_rt_nh, &fib6_rt->nh_list, list)
-		fib6_info_hw_flags_set(fib6_rt_nh->rt, false, trap);
+		fib6_info_hw_flags_set(net, fib6_rt_nh->rt, false, trap);
 }
 
 static int nsim_fib6_rt_add(struct nsim_fib_data *data,
@@ -607,7 +609,7 @@ static int nsim_fib6_rt_add(struct nsim_fib_data *data,
 		goto err_fib_dismiss;
 
 	msleep(1);
-	nsim_fib6_rt_hw_flags_set(fib6_rt, true);
+	nsim_fib6_rt_hw_flags_set(data, fib6_rt, true);
 
 	return 0;
 
@@ -641,9 +643,9 @@ static int nsim_fib6_rt_replace(struct nsim_fib_data *data,
 		return err;
 
 	msleep(1);
-	nsim_fib6_rt_hw_flags_set(fib6_rt, true);
+	nsim_fib6_rt_hw_flags_set(data, fib6_rt, true);
 
-	nsim_fib6_rt_hw_flags_set(fib6_rt_old, false);
+	nsim_fib6_rt_hw_flags_set(data, fib6_rt_old, false);
 	nsim_fib6_rt_destroy(fib6_rt_old);
 
 	return 0;
@@ -954,7 +956,7 @@ static void nsim_fib6_rt_free(struct nsim_fib_rt *fib_rt,
 	struct nsim_fib6_rt *fib6_rt;
 
 	fib6_rt = container_of(fib_rt, struct nsim_fib6_rt, common);
-	nsim_fib6_rt_hw_flags_set(fib6_rt, false);
+	nsim_fib6_rt_hw_flags_set(data, fib6_rt, false);
 	nsim_fib_account(&data->ipv6.fib, false);
 	nsim_fib6_rt_destroy(fib6_rt);
 }
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index ac5ff3c3afb1..cc189e668adf 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -336,8 +336,9 @@ static inline void fib6_info_release(struct fib6_info *f6i)
 		call_rcu(&f6i->rcu, fib6_info_destroy_rcu);
 }
 
-static inline void fib6_info_hw_flags_set(struct fib6_info *f6i, bool offload,
-					  bool trap)
+static inline void
+fib6_info_hw_flags_set(struct net *net, struct fib6_info *f6i, bool offload,
+		       bool trap)
 {
 	f6i->offload = offload;
 	f6i->trap = trap;
-- 
2.29.2