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| author | Amritha Nambiar <amritha.nambiar@intel.com> | 2023-12-01 15:29:18 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-12-04 18:04:06 -0800 |
| commit | db4704f4e4dfce835e934609fca735a648ce26e8 (patch) | |
| tree | 3d74be9997941e1f60db7307916da9e8a5bba2ae /net/core | |
| parent | 8481a249a0eaf0000dbb18f7689ccd50ea9835cd (diff) | |
| download | linux-db4704f4e4dfce835e934609fca735a648ce26e8.tar.gz linux-db4704f4e4dfce835e934609fca735a648ce26e8.tar.bz2 linux-db4704f4e4dfce835e934609fca735a648ce26e8.zip | |
netdev-genl: Add PID for the NAPI thread
In the threaded NAPI mode, expose the PID of the NAPI thread.
Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Reviewed-by: Sridhar Samudrala <sridhar.samudrala@intel.com>
Link: https://lore.kernel.org/r/170147335818.5260.10253384006102593087.stgit@anambiarhost.jf.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/netdev-genl.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c index 9753c19e36de..fd98936da3ae 100644 --- a/net/core/netdev-genl.c +++ b/net/core/netdev-genl.c @@ -163,6 +163,7 @@ netdev_nl_napi_fill_one(struct sk_buff *rsp, struct napi_struct *napi, const struct genl_info *info) { void *hdr; + pid_t pid; if (WARN_ON_ONCE(!napi->dev)) return -EINVAL; @@ -183,6 +184,12 @@ netdev_nl_napi_fill_one(struct sk_buff *rsp, struct napi_struct *napi, if (napi->irq >= 0 && nla_put_u32(rsp, NETDEV_A_NAPI_IRQ, napi->irq)) goto nla_put_failure; + if (napi->thread) { + pid = task_pid_nr(napi->thread); + if (nla_put_u32(rsp, NETDEV_A_NAPI_PID, pid)) + goto nla_put_failure; + } + genlmsg_end(rsp, hdr); return 0; |