#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
-#include <vnet/mpls-gre/packet.h>
+#include <vnet/mpls/packet.h>
-typedef enum {
+typedef enum
+{
HANDOFF_DISPATCH_NEXT_IP4_INPUT,
HANDOFF_DISPATCH_NEXT_IP6_INPUT,
HANDOFF_DISPATCH_NEXT_MPLS_INPUT,
HANDOFF_DISPATCH_N_NEXT,
} handoff_dispatch_next_t;
-static inline
-void vlib_put_handoff_queue_elt (vlib_frame_queue_elt_t * hf)
-{
- CLIB_MEMORY_BARRIER();
- hf->valid = 1;
-}
-
-static inline vlib_frame_queue_elt_t *
-vlib_get_handoff_queue_elt (u32 vlib_worker_index)
-{
- vlib_frame_queue_t *fq;
- vlib_frame_queue_elt_t *elt;
- u64 new_tail;
-
- fq = vlib_frame_queues[vlib_worker_index];
- ASSERT (fq);
-
- new_tail = __sync_add_and_fetch (&fq->tail, 1);
-
- /* Wait until a ring slot is available */
- while (new_tail >= fq->head_hint + fq->nelts)
- vlib_worker_thread_barrier_check ();
-
- elt = fq->elts + (new_tail & (fq->nelts-1));
-
- /* this would be very bad... */
- while (elt->valid)
- ;
-
- elt->msg_type = VLIB_FRAME_QUEUE_ELT_DISPATCH_FRAME;
- elt->last_n_vectors = elt->n_vectors = 0;
-
- return elt;
-}
-
-static inline vlib_frame_queue_t *
-is_vlib_handoff_queue_congested (
- u32 vlib_worker_index,
- u32 queue_hi_thresh,
- vlib_frame_queue_t ** handoff_queue_by_worker_index)
-{
- vlib_frame_queue_t *fq;
-
- fq = handoff_queue_by_worker_index [vlib_worker_index];
- if (fq != (vlib_frame_queue_t *)(~0))
- return fq;
-
- fq = vlib_frame_queues[vlib_worker_index];
- ASSERT (fq);
-
- if (PREDICT_FALSE(fq->tail >= (fq->head_hint + queue_hi_thresh))) {
- /* a valid entry in the array will indicate the queue has reached
- * the specified threshold and is congested
- */
- handoff_queue_by_worker_index [vlib_worker_index] = fq;
- fq->enqueue_full_events++;
- return fq;
- }
-
- return NULL;
-}
-
-static inline vlib_frame_queue_elt_t *
-dpdk_get_handoff_queue_elt (u32 vlib_worker_index,
- vlib_frame_queue_elt_t **
- handoff_queue_elt_by_worker_index)
-{
- vlib_frame_queue_elt_t *elt;
-
- if (handoff_queue_elt_by_worker_index [vlib_worker_index])
- return handoff_queue_elt_by_worker_index [vlib_worker_index];
-
- elt = vlib_get_handoff_queue_elt (vlib_worker_index);
- handoff_queue_elt_by_worker_index [vlib_worker_index] = elt;
-
- return elt;
-}
-
-static inline u64 ipv4_get_key (ip4_header_t *ip)
+static inline u64
+ipv4_get_key (ip4_header_t * ip)
{
- u64 hash_key;
+ u64 hash_key;
- hash_key = *((u64*)(&ip->address_pair)) ^ ip->protocol;
+ hash_key = *((u64 *) (&ip->address_pair)) ^ ip->protocol;
- return hash_key;
+ return hash_key;
}
-static inline u64 ipv6_get_key (ip6_header_t *ip)
+static inline u64
+ipv6_get_key (ip6_header_t * ip)
{
- u64 hash_key;
+ u64 hash_key;
- hash_key = ip->src_address.as_u64[0] ^
- rotate_left(ip->src_address.as_u64[1],13) ^
- rotate_left(ip->dst_address.as_u64[0],26) ^
- rotate_left(ip->dst_address.as_u64[1],39) ^
- ip->protocol;
+ hash_key = ip->src_address.as_u64[0] ^
+ rotate_left (ip->src_address.as_u64[1], 13) ^
+ rotate_left (ip->dst_address.as_u64[0], 26) ^
+ rotate_left (ip->dst_address.as_u64[1], 39) ^ ip->protocol;
- return hash_key;
+ return hash_key;
}
#define MPLS_BOTTOM_OF_STACK_BIT_MASK 0x00000100U
#define MPLS_LABEL_MASK 0xFFFFF000U
-static inline u64 mpls_get_key (mpls_unicast_header_t *m)
+static inline u64
+mpls_get_key (mpls_unicast_header_t * m)
{
- u64 hash_key;
- u8 ip_ver;
-
-
- /* find the bottom of the MPLS label stack. */
- if (PREDICT_TRUE(m->label_exp_s_ttl &
- clib_net_to_host_u32(MPLS_BOTTOM_OF_STACK_BIT_MASK))) {
- goto bottom_lbl_found;
- }
- m++;
-
- if (PREDICT_TRUE(m->label_exp_s_ttl &
- clib_net_to_host_u32(MPLS_BOTTOM_OF_STACK_BIT_MASK))) {
- goto bottom_lbl_found;
- }
- m++;
-
- if (m->label_exp_s_ttl & clib_net_to_host_u32(MPLS_BOTTOM_OF_STACK_BIT_MASK)) {
- goto bottom_lbl_found;
- }
- m++;
-
- if (m->label_exp_s_ttl & clib_net_to_host_u32(MPLS_BOTTOM_OF_STACK_BIT_MASK)) {
- goto bottom_lbl_found;
- }
- m++;
-
- if (m->label_exp_s_ttl & clib_net_to_host_u32(MPLS_BOTTOM_OF_STACK_BIT_MASK)) {
- goto bottom_lbl_found;
- }
-
- /* the bottom label was not found - use the last label */
- hash_key = m->label_exp_s_ttl & clib_net_to_host_u32(MPLS_LABEL_MASK);
-
- return hash_key;
+ u64 hash_key;
+ u8 ip_ver;
+
+
+ /* find the bottom of the MPLS label stack. */
+ if (PREDICT_TRUE (m->label_exp_s_ttl &
+ clib_net_to_host_u32 (MPLS_BOTTOM_OF_STACK_BIT_MASK)))
+ {
+ goto bottom_lbl_found;
+ }
+ m++;
+
+ if (PREDICT_TRUE (m->label_exp_s_ttl &
+ clib_net_to_host_u32 (MPLS_BOTTOM_OF_STACK_BIT_MASK)))
+ {
+ goto bottom_lbl_found;
+ }
+ m++;
+
+ if (m->label_exp_s_ttl &
+ clib_net_to_host_u32 (MPLS_BOTTOM_OF_STACK_BIT_MASK))
+ {
+ goto bottom_lbl_found;
+ }
+ m++;
+
+ if (m->label_exp_s_ttl &
+ clib_net_to_host_u32 (MPLS_BOTTOM_OF_STACK_BIT_MASK))
+ {
+ goto bottom_lbl_found;
+ }
+ m++;
+
+ if (m->label_exp_s_ttl &
+ clib_net_to_host_u32 (MPLS_BOTTOM_OF_STACK_BIT_MASK))
+ {
+ goto bottom_lbl_found;
+ }
+
+ /* the bottom label was not found - use the last label */
+ hash_key = m->label_exp_s_ttl & clib_net_to_host_u32 (MPLS_LABEL_MASK);
+
+ return hash_key;
bottom_lbl_found:
- m++;
- ip_ver = (*((u8 *)m) >> 4);
-
- /* find out if it is IPV4 or IPV6 header */
- if (PREDICT_TRUE(ip_ver == 4)) {
- hash_key = ipv4_get_key((ip4_header_t *)m);
- } else if (PREDICT_TRUE(ip_ver == 6)) {
- hash_key = ipv6_get_key((ip6_header_t *)m);
- } else {
- /* use the bottom label */
- hash_key = (m-1)->label_exp_s_ttl & clib_net_to_host_u32(MPLS_LABEL_MASK);
- }
-
- return hash_key;
+ m++;
+ ip_ver = (*((u8 *) m) >> 4);
+
+ /* find out if it is IPV4 or IPV6 header */
+ if (PREDICT_TRUE (ip_ver == 4))
+ {
+ hash_key = ipv4_get_key ((ip4_header_t *) m);
+ }
+ else if (PREDICT_TRUE (ip_ver == 6))
+ {
+ hash_key = ipv6_get_key ((ip6_header_t *) m);
+ }
+ else
+ {
+ /* use the bottom label */
+ hash_key =
+ (m - 1)->label_exp_s_ttl & clib_net_to_host_u32 (MPLS_LABEL_MASK);
+ }
+
+ return hash_key;
}
+static inline u64
+eth_get_sym_key (ethernet_header_t * h0)
+{
+ u64 hash_key;
+
+ if (PREDICT_TRUE (h0->type) == clib_host_to_net_u16 (ETHERNET_TYPE_IP4))
+ {
+ ip4_header_t *ip = (ip4_header_t *) (h0 + 1);
+ hash_key =
+ (u64) (ip->src_address.as_u32 ^
+ ip->dst_address.as_u32 ^ ip->protocol);
+ }
+ else if (h0->type == clib_host_to_net_u16 (ETHERNET_TYPE_IP6))
+ {
+ ip6_header_t *ip = (ip6_header_t *) (h0 + 1);
+ hash_key = (u64) (ip->src_address.as_u64[0] ^
+ ip->src_address.as_u64[1] ^
+ ip->dst_address.as_u64[0] ^
+ ip->dst_address.as_u64[1] ^ ip->protocol);
+ }
+ else if (h0->type == clib_host_to_net_u16 (ETHERNET_TYPE_MPLS_UNICAST))
+ {
+ hash_key = mpls_get_key ((mpls_unicast_header_t *) (h0 + 1));
+ }
+ else
+ if (PREDICT_FALSE
+ ((h0->type == clib_host_to_net_u16 (ETHERNET_TYPE_VLAN))
+ || (h0->type == clib_host_to_net_u16 (ETHERNET_TYPE_DOT1AD))))
+ {
+ ethernet_vlan_header_t *outer = (ethernet_vlan_header_t *) (h0 + 1);
+
+ outer = (outer->type == clib_host_to_net_u16 (ETHERNET_TYPE_VLAN)) ?
+ outer + 1 : outer;
+ if (PREDICT_TRUE (outer->type) ==
+ clib_host_to_net_u16 (ETHERNET_TYPE_IP4))
+ {
+ ip4_header_t *ip = (ip4_header_t *) (outer + 1);
+ hash_key =
+ (u64) (ip->src_address.as_u32 ^
+ ip->dst_address.as_u32 ^ ip->protocol);
+ }
+ else if (outer->type == clib_host_to_net_u16 (ETHERNET_TYPE_IP6))
+ {
+ ip6_header_t *ip = (ip6_header_t *) (outer + 1);
+ hash_key =
+ (u64) (ip->src_address.as_u64[0] ^ ip->src_address.as_u64[1] ^
+ ip->dst_address.as_u64[0] ^
+ ip->dst_address.as_u64[1] ^ ip->protocol);
+ }
+ else if (outer->type ==
+ clib_host_to_net_u16 (ETHERNET_TYPE_MPLS_UNICAST))
+ {
+ hash_key = mpls_get_key ((mpls_unicast_header_t *) (outer + 1));
+ }
+ else
+ {
+ hash_key = outer->type;
+ }
+ }
+ else
+ {
+ hash_key = 0;
+ }
+
+ return hash_key;
+}
static inline u64
-eth_get_key (ethernet_header_t *h0)
+eth_get_key (ethernet_header_t * h0)
{
- u64 hash_key;
-
- if (PREDICT_TRUE(h0->type) == clib_host_to_net_u16(ETHERNET_TYPE_IP4)) {
- hash_key = ipv4_get_key((ip4_header_t *)(h0+1));
- } else if (h0->type == clib_host_to_net_u16(ETHERNET_TYPE_IP6)) {
- hash_key = ipv6_get_key((ip6_header_t *)(h0+1));
- } else if (h0->type == clib_host_to_net_u16(ETHERNET_TYPE_MPLS_UNICAST)) {
- hash_key = mpls_get_key((mpls_unicast_header_t *)(h0+1));
- } else if ((h0->type == clib_host_to_net_u16(ETHERNET_TYPE_VLAN)) ||
- (h0->type == clib_host_to_net_u16(ETHERNET_TYPE_DOT1AD))) {
- ethernet_vlan_header_t * outer = (ethernet_vlan_header_t *)(h0 + 1);
-
- outer = (outer->type == clib_host_to_net_u16(ETHERNET_TYPE_VLAN)) ?
- outer+1 : outer;
- if (PREDICT_TRUE(outer->type) == clib_host_to_net_u16(ETHERNET_TYPE_IP4)) {
- hash_key = ipv4_get_key((ip4_header_t *)(outer+1));
- } else if (outer->type == clib_host_to_net_u16 (ETHERNET_TYPE_IP6)) {
- hash_key = ipv6_get_key((ip6_header_t *)(outer+1));
- } else if (outer->type == clib_host_to_net_u16(ETHERNET_TYPE_MPLS_UNICAST)) {
- hash_key = mpls_get_key((mpls_unicast_header_t *)(outer+1));
- } else {
- hash_key = outer->type;
- }
- } else {
- hash_key = 0;
- }
-
- return hash_key;
+ u64 hash_key;
+
+ if (PREDICT_TRUE (h0->type) == clib_host_to_net_u16 (ETHERNET_TYPE_IP4))
+ {
+ hash_key = ipv4_get_key ((ip4_header_t *) (h0 + 1));
+ }
+ else if (h0->type == clib_host_to_net_u16 (ETHERNET_TYPE_IP6))
+ {
+ hash_key = ipv6_get_key ((ip6_header_t *) (h0 + 1));
+ }
+ else if (h0->type == clib_host_to_net_u16 (ETHERNET_TYPE_MPLS_UNICAST))
+ {
+ hash_key = mpls_get_key ((mpls_unicast_header_t *) (h0 + 1));
+ }
+ else if ((h0->type == clib_host_to_net_u16 (ETHERNET_TYPE_VLAN)) ||
+ (h0->type == clib_host_to_net_u16 (ETHERNET_TYPE_DOT1AD)))
+ {
+ ethernet_vlan_header_t *outer = (ethernet_vlan_header_t *) (h0 + 1);
+
+ outer = (outer->type == clib_host_to_net_u16 (ETHERNET_TYPE_VLAN)) ?
+ outer + 1 : outer;
+ if (PREDICT_TRUE (outer->type) ==
+ clib_host_to_net_u16 (ETHERNET_TYPE_IP4))
+ {
+ hash_key = ipv4_get_key ((ip4_header_t *) (outer + 1));
+ }
+ else if (outer->type == clib_host_to_net_u16 (ETHERNET_TYPE_IP6))
+ {
+ hash_key = ipv6_get_key ((ip6_header_t *) (outer + 1));
+ }
+ else if (outer->type ==
+ clib_host_to_net_u16 (ETHERNET_TYPE_MPLS_UNICAST))
+ {
+ hash_key = mpls_get_key ((mpls_unicast_header_t *) (outer + 1));
+ }
+ else
+ {
+ hash_key = outer->type;
+ }
+ }
+ else
+ {
+ hash_key = 0;
+ }
+
+ return hash_key;
}
#endif /* included_vnet_handoff_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff