/* * netsniff-ng - the packet sniffing beast * Copyright 2011 Daniel Borkmann. * Subject to the GPL, version 2. */ #include #include #include #include "patricia.h" #include "locking.h" #include "trie.h" #include "ipv4.h" #include "ipv6.h" static struct patricia_node *tree = NULL; static struct rwlock tree_lock; void trie_addr_lookup(char *buff, size_t len, int ipv4, int *fd, struct sockaddr_storage *addr, size_t *alen) { void *data; size_t dlen; struct ipv4hdr *hdr4 = (void *) buff; struct ipv6hdr *hdr6 = (void *) buff; data = ipv4 ? (void *) &hdr4->h_daddr : (void *) &hdr6->daddr; dlen = ipv4 ? sizeof(hdr4->h_daddr) : sizeof(hdr6->daddr); if (unlikely((ipv4 && ((struct ipv4hdr *) buff)->h_version != 4) || (!ipv4 && ((struct ipv6hdr *) buff)->version != 6))) { memset(addr, 0, sizeof(*addr)); (*alen) = 0; (*fd) = -1; return; } rwlock_rd_lock(&tree_lock); (*fd) = ptree_search_data_exact(data, dlen, addr, alen, tree); rwlock_unlock(&tree_lock); } int trie_addr_maybe_update(char *buff, size_t len, int ipv4, int fd, struct sockaddr_storage *addr, size_t alen) { int ret; void *data; size_t dlen; struct ipv4hdr *hdr4 = (void *) buff; struct ipv6hdr *hdr6 = (void *) buff; data = ipv4 ? (void *) &hdr4->h_saddr : (void *) &hdr6->saddr; dlen = ipv4 ? sizeof(hdr4->h_saddr) : sizeof(hdr6->saddr); if (unlikely((ipv4 && ((struct ipv4hdr *) buff)->h_version != 4) || (!ipv4 && ((struct ipv6hdr *) buff)->version != 6))) return -1; rwlock_wr_lock(&tree_lock); ret = ptree_add_entry(data, dlen, fd, addr, alen, &tree); rwlock_unlock(&tree_lock); return ret; } void trie_addr_remove(int fd) { int found = 1; struct patricia_node *n = NULL; rwlock_wr_lock(&tree_lock); while (found) { ptree_get_key(fd, tree, &n); if (n) { ptree_del_entry(n->key, n->klen, &tree); n = NULL; } else found = 0; } rwlock_unlock(&tree_lock); } void trie_addr_remove_addr(struct sockaddr_storage *addr, size_t alen) { int found = 1; struct patricia_node *n = NULL; rwlock_wr_lock(&tree_lock); while (found) { ptree_get_key_addr(addr, alen, tree, &n); if (n) { ptree_del_entry(n->key, n->klen, &tree); n = NULL; } else found = 0; } rwlock_unlock(&tree_lock); } void trie_init(void) { rwlock_init(&tree_lock); } void trie_cleanup(void) { rwlock_wr_lock(&tree_lock); ptree_free(tree); rwlock_unlock(&tree_lock); rwlock_destroy(&tree_lock); } value='grep'>log msg
path: root/Documentation/devicetree/bindings/mfd
diff options
context:
space:
mode:
authorKamlakant Patel <kamlakant.patel@broadcom.com>2016-03-22 18:38:14 +0530
committerMark Brown <broonie@kernel.org>2016-03-23 13:37:10 +0000
commitbf23d1917d551487e85378c4f4a7a0efcfe77f4e (patch)
treeed19a96e7ccb441c984df0635d246d8945a752ca /Documentation/devicetree/bindings/mfd
parentc508709bcffb644afbf5e5016fc7c90bf80c30ff (diff)
spi: xlp: Enable SPI driver for Broadcom Vulcan ARM64
- Vulcan spi controller is compatible with netlogic,xlp832-spi. - Add depends on ARCH_VULCAN to Kconfig to enable spi controller driver for Broadcom Vulcan ARM64 SoCs. Signed-off-by: Kamlakant Patel <kamlakant.patel@broadcom.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')