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bpf: Fix two typos in uapi/linux/bpf.h

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Also remove trailing whitespaces in bpf_skb_get_tunnel_key example code.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200821133642.18870-1-tklauser@distanz.ch
This commit is contained in:
Tobias Klauser 2020-08-21 15:36:42 +02:00 committed by Alexei Starovoitov
parent c210773d6c
commit b16fc097bc
2 changed files with 10 additions and 10 deletions
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10
include/uapi/linux/bpf.h
View File

@ -767,7 +767,7 @@ union bpf_attr {
*
* Also, note that **bpf_trace_printk**\ () is slow, and should
* only be used for debugging purposes. For this reason, a notice
* bloc (spanning several lines) is printed to kernel logs and
* block (spanning several lines) is printed to kernel logs and
* states that the helper should not be used "for production use"
* the first time this helper is used (or more precisely, when
* **trace_printk**\ () buffers are allocated). For passing values
@ -1033,14 +1033,14 @@ union bpf_attr {
*
* int ret;
* struct bpf_tunnel_key key = {};
*
*
* ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
* if (ret < 0)
* return TC_ACT_SHOT; // drop packet
*
*
* if (key.remote_ipv4 != 0x0a000001)
* return TC_ACT_SHOT; // drop packet
*
*
* return TC_ACT_OK; // accept packet
*
* This interface can also be used with all encapsulation devices
@ -1147,7 +1147,7 @@ union bpf_attr {
* Description
* Retrieve the realm or the route, that is to say the
* **tclassid** field of the destination for the *skb*. The
* indentifier retrieved is a user-provided tag, similar to the
* identifier retrieved is a user-provided tag, similar to the
* one used with the net_cls cgroup (see description for
* **bpf_get_cgroup_classid**\ () helper), but here this tag is
* held by a route (a destination entry), not by a task.

10
tools/include/uapi/linux/bpf.h
View File

@ -767,7 +767,7 @@ union bpf_attr {
*
* Also, note that **bpf_trace_printk**\ () is slow, and should
* only be used for debugging purposes. For this reason, a notice
* bloc (spanning several lines) is printed to kernel logs and
* block (spanning several lines) is printed to kernel logs and
* states that the helper should not be used "for production use"
* the first time this helper is used (or more precisely, when
* **trace_printk**\ () buffers are allocated). For passing values
@ -1033,14 +1033,14 @@ union bpf_attr {
*
* int ret;
* struct bpf_tunnel_key key = {};
*
*
* ret = bpf_skb_get_tunnel_key(skb, &key, sizeof(key), 0);
* if (ret < 0)
* return TC_ACT_SHOT; // drop packet
*
*
* if (key.remote_ipv4 != 0x0a000001)
* return TC_ACT_SHOT; // drop packet
*
*
* return TC_ACT_OK; // accept packet
*
* This interface can also be used with all encapsulation devices
@ -1147,7 +1147,7 @@ union bpf_attr {
* Description
* Retrieve the realm or the route, that is to say the
* **tclassid** field of the destination for the *skb*. The
* indentifier retrieved is a user-provided tag, similar to the
* identifier retrieved is a user-provided tag, similar to the
* one used with the net_cls cgroup (see description for
* **bpf_get_cgroup_classid**\ () helper), but here this tag is
* held by a route (a destination entry), not by a task.