linux-kernel - [PATCH bpf-next] bpf, sockmap: Rename sock_map_get_from_fd to sock_map_prog

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Message-Id: <20230831014346.2931397-1-xukuohai@huaweicloud.com>
Date:   Thu, 31 Aug 2023 09:43:46 +0800
From:   Xu Kuohai <xukuohai@...weicloud.com>
To:     bpf@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, John Fastabend <john.fastabend@...il.com>,
        Jakub Sitnicki <jakub@...udflare.com>
Subject: [PATCH bpf-next] bpf, sockmap: Rename sock_map_get_from_fd to sock_map_prog_attach

From: Xu Kuohai <xukuohai@...wei.com>

What function sock_map_get_from_fd does is to attach a bpf prog to
a sock map, so rename it to sock_map_prog_attach to make it more
readable.

Signed-off-by: Xu Kuohai <xukuohai@...wei.com>
---
 include/linux/bpf.h  | 2 +-
 kernel/bpf/syscall.c | 2 +-
 net/core/sock_map.c  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 12596af59c00..7a0c801f2795 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -2799,7 +2799,7 @@ int bpf_prog_test_run_syscall(struct bpf_prog *prog,
 			      const union bpf_attr *kattr,
 			      union bpf_attr __user *uattr);
 
-int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog);
+int sock_map_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog);
 int sock_map_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype);
 int sock_map_update_elem_sys(struct bpf_map *map, void *key, void *value, u64 flags);
 int sock_map_bpf_prog_query(const union bpf_attr *attr,
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index ebeb0695305a..087a097d74d4 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -3822,7 +3822,7 @@ static int bpf_prog_attach(const union bpf_attr *attr)
 	switch (ptype) {
 	case BPF_PROG_TYPE_SK_SKB:
 	case BPF_PROG_TYPE_SK_MSG:
-		ret = sock_map_get_from_fd(attr, prog);
+		ret = sock_map_prog_attach(attr, prog);
 		break;
 	case BPF_PROG_TYPE_LIRC_MODE2:
 		ret = lirc_prog_attach(attr, prog);
diff --git a/net/core/sock_map.c b/net/core/sock_map.c
index 8f07fea39d9e..26706b667f44 100644
--- a/net/core/sock_map.c
+++ b/net/core/sock_map.c
@@ -57,7 +57,7 @@ static struct bpf_map *sock_map_alloc(union bpf_attr *attr)
 	return &stab->map;
 }
 
-int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog)
+int sock_map_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
 {
 	u32 ufd = attr->target_fd;
 	struct bpf_map *map;
-- 
2.30.2