Lines Matching +full:data +full:- +full:mapping
46 memcpy(new->tag, tag, len); in xenvif_add_hash()
47 new->len = len; in xenvif_add_hash()
48 new->val = val; in xenvif_add_hash()
50 spin_lock_irqsave(&vif->hash.cache.lock, flags); in xenvif_add_hash()
54 list_for_each_entry_rcu(entry, &vif->hash.cache.list, link) { in xenvif_add_hash()
56 if (entry->len == len && in xenvif_add_hash()
57 memcmp(entry->tag, tag, len) == 0) in xenvif_add_hash()
59 if (!oldest || entry->seq < oldest->seq) in xenvif_add_hash()
64 new->seq = atomic_inc_return(&vif->hash.cache.seq); in xenvif_add_hash()
65 list_add_rcu(&new->link, &vif->hash.cache.list); in xenvif_add_hash()
67 if (++vif->hash.cache.count > xenvif_hash_cache_size) { in xenvif_add_hash()
68 list_del_rcu(&oldest->link); in xenvif_add_hash()
69 vif->hash.cache.count--; in xenvif_add_hash()
74 spin_unlock_irqrestore(&vif->hash.cache.lock, flags); in xenvif_add_hash()
80 static u32 xenvif_new_hash(struct xenvif *vif, const u8 *data, in xenvif_new_hash() argument
85 val = xen_netif_toeplitz_hash(vif->hash.key, in xenvif_new_hash()
86 sizeof(vif->hash.key), in xenvif_new_hash()
87 data, len); in xenvif_new_hash()
90 xenvif_add_hash(vif, data, len, val); in xenvif_new_hash()
103 spin_lock_irqsave(&vif->hash.cache.lock, flags); in xenvif_flush_hash()
105 list_for_each_entry_rcu(entry, &vif->hash.cache.list, link) { in xenvif_flush_hash()
106 list_del_rcu(&entry->link); in xenvif_flush_hash()
107 vif->hash.cache.count--; in xenvif_flush_hash()
111 spin_unlock_irqrestore(&vif->hash.cache.lock, flags); in xenvif_flush_hash()
114 static u32 xenvif_find_hash(struct xenvif *vif, const u8 *data, in xenvif_find_hash() argument
125 return xenvif_new_hash(vif, data, len); in xenvif_find_hash()
131 list_for_each_entry_rcu(entry, &vif->hash.cache.list, link) { in xenvif_find_hash()
132 if (entry->len == len && in xenvif_find_hash()
133 memcmp(entry->tag, data, len) == 0) { in xenvif_find_hash()
134 val = entry->val; in xenvif_find_hash()
135 entry->seq = atomic_inc_return(&vif->hash.cache.seq); in xenvif_find_hash()
144 val = xenvif_new_hash(vif, data, len); in xenvif_find_hash()
154 u32 flags = vif->hash.flags; in xenvif_set_skb_hash()
161 switch (skb->protocol) { in xenvif_set_skb_hash()
187 switch (skb->protocol) { in xenvif_set_skb_hash()
191 u8 data[12]; in xenvif_set_skb_hash() local
193 memcpy(&data[0], &flow.addrs.v4addrs.src, 4); in xenvif_set_skb_hash()
194 memcpy(&data[4], &flow.addrs.v4addrs.dst, 4); in xenvif_set_skb_hash()
195 memcpy(&data[8], &flow.ports.src, 2); in xenvif_set_skb_hash()
196 memcpy(&data[10], &flow.ports.dst, 2); in xenvif_set_skb_hash()
198 hash = xenvif_find_hash(vif, data, sizeof(data)); in xenvif_set_skb_hash()
201 u8 data[8]; in xenvif_set_skb_hash() local
203 memcpy(&data[0], &flow.addrs.v4addrs.src, 4); in xenvif_set_skb_hash()
204 memcpy(&data[4], &flow.addrs.v4addrs.dst, 4); in xenvif_set_skb_hash()
206 hash = xenvif_find_hash(vif, data, sizeof(data)); in xenvif_set_skb_hash()
215 u8 data[36]; in xenvif_set_skb_hash() local
217 memcpy(&data[0], &flow.addrs.v6addrs.src, 16); in xenvif_set_skb_hash()
218 memcpy(&data[16], &flow.addrs.v6addrs.dst, 16); in xenvif_set_skb_hash()
219 memcpy(&data[32], &flow.ports.src, 2); in xenvif_set_skb_hash()
220 memcpy(&data[34], &flow.ports.dst, 2); in xenvif_set_skb_hash()
222 hash = xenvif_find_hash(vif, data, sizeof(data)); in xenvif_set_skb_hash()
225 u8 data[32]; in xenvif_set_skb_hash() local
227 memcpy(&data[0], &flow.addrs.v6addrs.src, 16); in xenvif_set_skb_hash()
228 memcpy(&data[16], &flow.addrs.v6addrs.dst, 16); in xenvif_set_skb_hash()
230 hash = xenvif_find_hash(vif, data, sizeof(data)); in xenvif_set_skb_hash()
255 vif->hash.alg = alg; in xenvif_set_hash_alg()
262 if (vif->hash.alg == XEN_NETIF_CTRL_HASH_ALGORITHM_NONE) in xenvif_get_hash_flags()
281 if (vif->hash.alg == XEN_NETIF_CTRL_HASH_ALGORITHM_NONE) in xenvif_set_hash_flags()
284 vif->hash.flags = flags; in xenvif_set_hash_flags()
291 u8 *key = vif->hash.key; in xenvif_set_hash_key()
294 .source.domid = vif->domid, in xenvif_set_hash_key()
314 memset(key + len, 0, XEN_NETBK_MAX_HASH_KEY_SIZE - len); in xenvif_set_hash_key()
326 vif->hash.size = size; in xenvif_set_hash_mapping_size()
327 memset(vif->hash.mapping[vif->hash.mapping_sel], 0, in xenvif_set_hash_mapping_size()
336 u32 *mapping = vif->hash.mapping[!vif->hash.mapping_sel]; in xenvif_set_hash_mapping() local
340 .source.domid = vif->domid, in xenvif_set_hash_mapping()
342 .len = len * sizeof(*mapping), in xenvif_set_hash_mapping()
346 if ((off + len < off) || (off + len > vif->hash.size) || in xenvif_set_hash_mapping()
347 len > XEN_PAGE_SIZE / sizeof(*mapping)) in xenvif_set_hash_mapping()
350 copy_op[0].dest.u.gmfn = virt_to_gfn(mapping + off); in xenvif_set_hash_mapping()
351 copy_op[0].dest.offset = xen_offset_in_page(mapping + off); in xenvif_set_hash_mapping()
354 copy_op[1].source.offset = XEN_PAGE_SIZE - copy_op[0].dest.offset; in xenvif_set_hash_mapping()
355 copy_op[1].dest.u.gmfn = virt_to_gfn(mapping + off + len); in xenvif_set_hash_mapping()
357 copy_op[1].len = copy_op[0].len - copy_op[1].source.offset; in xenvif_set_hash_mapping()
362 memcpy(mapping, vif->hash.mapping[vif->hash.mapping_sel], in xenvif_set_hash_mapping()
363 vif->hash.size * sizeof(*mapping)); in xenvif_set_hash_mapping()
369 copy_op[nr - 1].status != GNTST_okay) in xenvif_set_hash_mapping()
373 while (len-- != 0) in xenvif_set_hash_mapping()
374 if (mapping[off++] >= vif->num_queues) in xenvif_set_hash_mapping()
377 vif->hash.mapping_sel = !vif->hash.mapping_sel; in xenvif_set_hash_mapping()
387 switch (vif->hash.alg) { in xenvif_dump_hash_info()
399 if (vif->hash.flags) { in xenvif_dump_hash_info()
402 if (vif->hash.flags & XEN_NETIF_CTRL_HASH_TYPE_IPV4) in xenvif_dump_hash_info()
403 seq_puts(m, "- IPv4\n"); in xenvif_dump_hash_info()
404 if (vif->hash.flags & XEN_NETIF_CTRL_HASH_TYPE_IPV4_TCP) in xenvif_dump_hash_info()
405 seq_puts(m, "- IPv4 + TCP\n"); in xenvif_dump_hash_info()
406 if (vif->hash.flags & XEN_NETIF_CTRL_HASH_TYPE_IPV6) in xenvif_dump_hash_info()
407 seq_puts(m, "- IPv6\n"); in xenvif_dump_hash_info()
408 if (vif->hash.flags & XEN_NETIF_CTRL_HASH_TYPE_IPV6_TCP) in xenvif_dump_hash_info()
409 seq_puts(m, "- IPv6 + TCP\n"); in xenvif_dump_hash_info()
419 n = XEN_NETBK_MAX_HASH_KEY_SIZE - i; in xenvif_dump_hash_info()
421 seq_printf(m, "[%2u - %2u]: ", i, i + n - 1); in xenvif_dump_hash_info()
424 seq_printf(m, "%02x ", vif->hash.key[i]); in xenvif_dump_hash_info()
429 if (vif->hash.size != 0) { in xenvif_dump_hash_info()
430 const u32 *mapping = vif->hash.mapping[vif->hash.mapping_sel]; in xenvif_dump_hash_info() local
432 seq_puts(m, "\nHash Mapping:\n"); in xenvif_dump_hash_info()
434 for (i = 0; i < vif->hash.size; ) { in xenvif_dump_hash_info()
438 if (i + n >= vif->hash.size) in xenvif_dump_hash_info()
439 n = vif->hash.size - i; in xenvif_dump_hash_info()
441 seq_printf(m, "[%4u - %4u]: ", i, i + n - 1); in xenvif_dump_hash_info()
444 seq_printf(m, "%4u ", mapping[i]); in xenvif_dump_hash_info()
457 BUG_ON(vif->hash.cache.count); in xenvif_init_hash()
459 spin_lock_init(&vif->hash.cache.lock); in xenvif_init_hash()
460 INIT_LIST_HEAD(&vif->hash.cache.list); in xenvif_init_hash()