| Message ID | 8f895fa4bb87f623226aaf681faec62da3ce0432.1611836479.git.petrm@nvidia.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | e948217d258f35b248578f7b400d6df23ac562da |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | nexthop: Preparations for resilient next-hop groups | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | warning | 1 maintainers not CCed: yoshfuji@linux-ipv6.org |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 2 this patch: 2 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 58 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 2 this patch: 2 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
On 1/28/21 5:49 AM, Petr Machata wrote: > In order to allow different handling for next-hop tree dumper and for > bucket dumper, parameterize the next-hop tree walker with a callback. Add > rtm_dump_nexthop_cb() with just the bits relevant for next-hop tree > dumping. > > Signed-off-by: Petr Machata <petrm@nvidia.com> > Reviewed-by: Ido Schimmel <idosch@nvidia.com> > --- > net/ipv4/nexthop.c | 32 ++++++++++++++++++++++---------- > 1 file changed, 22 insertions(+), 10 deletions(-) > Reviewed-by: David Ahern <dsahern@kernel.org>
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c index e5175f531ffb..9536cf2f6aca 100644 --- a/net/ipv4/nexthop.c +++ b/net/ipv4/nexthop.c @@ -2083,9 +2083,11 @@ static int rtm_dump_walk_nexthops(struct sk_buff *skb, struct netlink_callback *cb, struct rb_root *root, struct rtm_dump_nh_ctx *ctx, - struct nh_dump_filter *filter) + int (*nh_cb)(struct sk_buff *skb, + struct netlink_callback *cb, + struct nexthop *nh, void *data), + void *data) { - struct nhmsg *nhm = nlmsg_data(cb->nlh); struct rb_node *node; int idx = 0, s_idx; int err; @@ -2098,14 +2100,9 @@ static int rtm_dump_walk_nexthops(struct sk_buff *skb, goto cont; nh = rb_entry(node, struct nexthop, rb_node); - if (nh_dump_filtered(nh, filter, nhm->nh_family)) - goto cont; - ctx->idx = idx; - err = nh_fill_node(skb, nh, RTM_NEWNEXTHOP, - NETLINK_CB(cb->skb).portid, - cb->nlh->nlmsg_seq, NLM_F_MULTI); - if (err < 0) + err = nh_cb(skb, cb, nh, data); + if (err) return err; cont: idx++; @@ -2115,6 +2112,20 @@ static int rtm_dump_walk_nexthops(struct sk_buff *skb, return 0; } +static int rtm_dump_nexthop_cb(struct sk_buff *skb, struct netlink_callback *cb, + struct nexthop *nh, void *data) +{ + struct nhmsg *nhm = nlmsg_data(cb->nlh); + struct nh_dump_filter *filter = data; + + if (nh_dump_filtered(nh, filter, nhm->nh_family)) + return 0; + + return nh_fill_node(skb, nh, RTM_NEWNEXTHOP, + NETLINK_CB(cb->skb).portid, + cb->nlh->nlmsg_seq, NLM_F_MULTI); +} + /* rtnl */ static int rtm_dump_nexthop(struct sk_buff *skb, struct netlink_callback *cb) { @@ -2128,7 +2139,8 @@ static int rtm_dump_nexthop(struct sk_buff *skb, struct netlink_callback *cb) if (err < 0) return err; - err = rtm_dump_walk_nexthops(skb, cb, root, ctx, &filter); + err = rtm_dump_walk_nexthops(skb, cb, root, ctx, + &rtm_dump_nexthop_cb, &filter); if (err < 0) { if (likely(skb->len)) goto out;