diff options
| author |   Eli Cohen <eli@mellanox.com> | 2020-05-27 08:35:03 +0300 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2020-05-29 21:20:20 -0700 |
| commit | 86ae579cefffe18cb08928505d90fbc87367e8f5 (patch) | |
| tree | c92e197ebad6d3f196f0aa22ea4a96173d8820c4 /include/net | |
| parent | net/mlx5: reduce stack usage in qp_read_field (diff) | |
| download | wireguard-linux-86ae579cefffe18cb08928505d90fbc87367e8f5.tar.xz wireguard-linux-86ae579cefffe18cb08928505d90fbc87367e8f5.zip | |
net: Make mpls_entry_encode() available for generic users
Move mpls_entry_encode() from net/mpls/internal.h to include/net/mpls.h
and make it available for other users. Specifically, hardware driver that
offload MPLS can benefit from that.
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Suggested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/mpls.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/net/mpls.h b/include/net/mpls.h index ccaf238e8ea7..0bb7944e7b08 100644 --- a/include/net/mpls.h +++ b/include/net/mpls.h @@ -8,6 +8,7 @@ #include <linux/if_ether.h> #include <linux/netdevice.h> +#include <linux/mpls.h> #define MPLS_HLEN 4 @@ -25,4 +26,20 @@ static inline struct mpls_shim_hdr *mpls_hdr(const struct sk_buff *skb) { return (struct mpls_shim_hdr *)skb_network_header(skb); } + +static inline struct mpls_shim_hdr mpls_entry_encode(u32 label, + unsigned int ttl, + unsigned int tc, + bool bos) +{ + struct mpls_shim_hdr result; + + result.label_stack_entry = + cpu_to_be32((label << MPLS_LS_LABEL_SHIFT) | + (tc << MPLS_LS_TC_SHIFT) | + (bos ? (1 << MPLS_LS_S_SHIFT) : 0) | + (ttl << MPLS_LS_TTL_SHIFT)); + return result; +} + #endif |