/* * 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); } 1c697d8aac0cc923f8aa2c37d790ec9ed'/>
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authorMark Rutland <mark.rutland@arm.com>2017-01-25 19:30:09 +0000
committerMark Brown <broonie@kernel.org>2017-01-25 21:05:37 +0000
commit1372cef1c697d8aac0cc923f8aa2c37d790ec9ed (patch)
treeed5f350cd559bc15ae370f0c9fd280204e98597d /include/media
parentd00b74613fb18dfd0a5aa99270ee2e72d5c808d7 (diff)
regulator: fixed: Revert support for ACPI interface
This reverts commit 13bed58ce874 (regulator: fixed: add support for ACPI interface). While there does appear to be a practical need to manage regulators on ACPI systems, using ad-hoc properties to describe regulators to the kernel presents a number of problems (especially should ACPI gain first class support for such things), and there are ongoing discussions as to how to manage this. Until there is a rough consensus, revert commit 13bed58ce8748d43, which hasn't been in a released kernel yet as discussed in [1] and the surrounding thread. [1] http://lkml.kernel.org/r/20170125184949.x2wkoo7kbaaajkjk@sirena.org.uk Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Lu Baolu <baolu.lu@linux.intel.com> Cc: Mark Brown <broonie@kernel.org> Cc: Rafael J. Wysocki <rafael@kernel.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/media')