diff options
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/in.h | 4 | ||||
| -rw-r--r-- | sys/netinet/in_pcb.h | 7 | ||||
| -rw-r--r-- | sys/netinet/ip_output.c | 41 |
3 files changed, 52 insertions, 0 deletions
diff --git a/sys/netinet/in.h b/sys/netinet/in.h index 84a209eef779..28d6721edc53 100644 --- a/sys/netinet/in.h +++ b/sys/netinet/in.h @@ -483,6 +483,10 @@ __END_DECLS /* The following option is private; do not use it from user applications. */ #define IP_MSFILTER 74 /* set/get filter list */ +/* The following option deals with the 802.1Q Ethernet Priority Code Point */ +#define IP_VLAN_PCP 75 /* int; set/get PCP used for packet, */ + /* -1 use interface default */ + /* Protocol Independent Multicast API [RFC3678] */ #define MCAST_JOIN_GROUP 80 /* join an any-source group */ #define MCAST_LEAVE_GROUP 81 /* leave all sources for group */ diff --git a/sys/netinet/in_pcb.h b/sys/netinet/in_pcb.h index 9138ee186f6b..0a6ad1eaa9c4 100644 --- a/sys/netinet/in_pcb.h +++ b/sys/netinet/in_pcb.h @@ -748,6 +748,13 @@ int inp_so_options(const struct inpcb *inp); #define INP_SUPPORTS_MBUFQ 0x00004000 /* Supports the mbuf queue method of LRO */ #define INP_MBUF_QUEUE_READY 0x00008000 /* The transport is pacing, inputs can be queued */ #define INP_DONT_SACK_QUEUE 0x00010000 /* If a sack arrives do not wake me */ +#define INP_2PCP_SET 0x00020000 /* If the Eth PCP should be set explicitly */ +#define INP_2PCP_BIT0 0x00040000 /* Eth PCP Bit 0 */ +#define INP_2PCP_BIT1 0x00080000 /* Eth PCP Bit 1 */ +#define INP_2PCP_BIT2 0x00100000 /* Eth PCP Bit 2 */ +#define INP_2PCP_BASE INP_2PCP_BIT0 +#define INP_2PCP_MASK (INP_2PCP_BIT0 | INP_2PCP_BIT1 | INP_2PCP_BIT2) +#define INP_2PCP_SHIFT 18 /* shift PCP field in/out of inp_flags2 */ /* * Flags passed to in_pcblookup*() functions. */ diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c index a7e72f4ec407..2d45d583df15 100644 --- a/sys/netinet/ip_output.c +++ b/sys/netinet/ip_output.c @@ -62,7 +62,9 @@ __FBSDID("$FreeBSD$"); #include <net/if.h> #include <net/if_var.h> +#include <net/if_vlan_var.h> #include <net/if_llatbl.h> +#include <net/ethernet.h> #include <net/netisr.h> #include <net/pfil.h> #include <net/route.h> @@ -324,6 +326,7 @@ ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags, int hlen = sizeof (struct ip); int mtu = 0; int error = 0; + int vlan_pcp = -1; struct sockaddr_in *dst, sin; const struct sockaddr_in *gw; struct in_ifaddr *ia = NULL; @@ -345,6 +348,9 @@ ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags, m->m_pkthdr.flowid = inp->inp_flowid; M_HASHTYPE_SET(m, inp->inp_flowtype); } + if ((inp->inp_flags2 & INP_2PCP_SET) != 0) + vlan_pcp = (inp->inp_flags2 & INP_2PCP_MASK) >> + INP_2PCP_SHIFT; #ifdef NUMA m->m_pkthdr.numa_domain = inp->inp_numa_domain; #endif @@ -717,6 +723,9 @@ sendit: } } + if (vlan_pcp > -1) + EVL_APPLY_PRI(m, vlan_pcp); + /* IN_LOOPBACK must not appear on the wire - RFC1122. */ if (IN_LOOPBACK(ntohl(ip->ip_dst.s_addr)) || IN_LOOPBACK(ntohl(ip->ip_src.s_addr))) { @@ -1210,6 +1219,7 @@ ip_ctloutput(struct socket *so, struct sockopt *sopt) #ifdef RSS case IP_RECVRSSBUCKETID: #endif + case IP_VLAN_PCP: error = sooptcopyin(sopt, &optval, sizeof optval, sizeof optval); if (error) @@ -1305,6 +1315,28 @@ ip_ctloutput(struct socket *so, struct sockopt *sopt) OPTSET2(INP_RECVRSSBUCKETID, optval); break; #endif + case IP_VLAN_PCP: + if ((optval >= -1) && (optval <= + (INP_2PCP_MASK >> INP_2PCP_SHIFT))) { + if (optval == -1) { + INP_WLOCK(inp); + inp->inp_flags2 &= + ~(INP_2PCP_SET | + INP_2PCP_MASK); + INP_WUNLOCK(inp); + } else { + INP_WLOCK(inp); + inp->inp_flags2 |= + INP_2PCP_SET; + inp->inp_flags2 &= + ~INP_2PCP_MASK; + inp->inp_flags2 |= + optval << INP_2PCP_SHIFT; + INP_WUNLOCK(inp); + } + } else + error = EINVAL; + break; } break; #undef OPTSET @@ -1425,6 +1457,7 @@ ip_ctloutput(struct socket *so, struct sockopt *sopt) case IP_RSSBUCKETID: case IP_RECVRSSBUCKETID: #endif + case IP_VLAN_PCP: switch (sopt->sopt_name) { case IP_TOS: optval = inp->inp_ip_tos; @@ -1512,6 +1545,14 @@ ip_ctloutput(struct socket *so, struct sockopt *sopt) case IP_BINDMULTI: optval = OPTBIT2(INP_BINDMULTI); break; + case IP_VLAN_PCP: + if (OPTBIT2(INP_2PCP_SET)) { + optval = (inp->inp_flags2 & + INP_2PCP_MASK) >> INP_2PCP_SHIFT; + } else { + optval = -1; + } + break; } error = sooptcopyout(sopt, &optval, sizeof optval); break; |