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authorEric Dumazet <edumazet@google.com>2024-12-09 13:07:45 +0300
committerJakub Kicinski <kuba@kernel.org>2024-12-11 05:32:32 +0300
commitbe325f08c432ae5ac6d6594d163e1899cdf202df (patch)
tree9282e769a6a9ca546149474befec4c9cc53f9232 /drivers/net
parent4eb0308d78d3891d7d691f719e262cf908bdcb35 (diff)
downloadlinux-be325f08c432ae5ac6d6594d163e1899cdf202df.tar.xz
rtnetlink: add ndo_fdb_dump_context
rtnl_fdb_dump() and various ndo_fdb_dump() helpers share a hidden layout of cb->ctx. Before switching rtnl_fdb_dump() to for_each_netdev_dump() in the following patch, make this more explicit. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20241209100747.2269613-2-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c3
-rw-r--r--drivers/net/ethernet/mscc/ocelot_net.c3
-rw-r--r--drivers/net/vxlan/vxlan_core.c5
3 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
index a293b08f36d4..147a93bf9fa9 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c
@@ -780,13 +780,14 @@ struct ethsw_dump_ctx {
static int dpaa2_switch_fdb_dump_nl(struct fdb_dump_entry *entry,
struct ethsw_dump_ctx *dump)
{
+ struct ndo_fdb_dump_context *ctx = (void *)dump->cb->ctx;
int is_dynamic = entry->type & DPSW_FDB_ENTRY_DINAMIC;
u32 portid = NETLINK_CB(dump->cb->skb).portid;
u32 seq = dump->cb->nlh->nlmsg_seq;
struct nlmsghdr *nlh;
struct ndmsg *ndm;
- if (dump->idx < dump->cb->args[2])
+ if (dump->idx < ctx->fdb_idx)
goto skip;
nlh = nlmsg_put(dump->skb, portid, seq, RTM_NEWNEIGH,
diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index 558e03301aa8..8d48468cddd7 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -758,12 +758,13 @@ static int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid,
bool is_static, void *data)
{
struct ocelot_dump_ctx *dump = data;
+ struct ndo_fdb_dump_context *ctx = (void *)dump->cb->ctx;
u32 portid = NETLINK_CB(dump->cb->skb).portid;
u32 seq = dump->cb->nlh->nlmsg_seq;
struct nlmsghdr *nlh;
struct ndmsg *ndm;
- if (dump->idx < dump->cb->args[2])
+ if (dump->idx < ctx->fdb_idx)
goto skip;
nlh = nlmsg_put(dump->skb, portid, seq, RTM_NEWNEIGH,
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 43cf672b7b9f..0c356e0a61ef 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -1352,6 +1352,7 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
struct net_device *dev,
struct net_device *filter_dev, int *idx)
{
+ struct ndo_fdb_dump_context *ctx = (void *)cb->ctx;
struct vxlan_dev *vxlan = netdev_priv(dev);
unsigned int h;
int err = 0;
@@ -1364,7 +1365,7 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
struct vxlan_rdst *rd;
if (rcu_access_pointer(f->nh)) {
- if (*idx < cb->args[2])
+ if (*idx < ctx->fdb_idx)
goto skip_nh;
err = vxlan_fdb_info(skb, vxlan, f,
NETLINK_CB(cb->skb).portid,
@@ -1381,7 +1382,7 @@ skip_nh:
}
list_for_each_entry_rcu(rd, &f->remotes, list) {
- if (*idx < cb->args[2])
+ if (*idx < ctx->fdb_idx)
goto skip;
err = vxlan_fdb_info(skb, vxlan, f,