| /* |
| ************************************************************************** |
| * Copyright (c) 2015,2019-2020, The Linux Foundation. All rights reserved. |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all copies. |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| ************************************************************************** |
| */ |
| |
| /* |
| * nss_ipv6_reasm.c |
| * NSS IPv6 Reassembly APIs |
| */ |
| #include <nss_core.h> |
| #include "nss_ipv6_reasm_stats.h" |
| #include "nss_ipv6_reasm_strings.h" |
| |
| /* |
| * nss_ipv6_reasm_msg_handler() |
| * Handle NSS -> HLOS messages for IPv6 reasm |
| */ |
| static void nss_ipv6_reasm_msg_handler(struct nss_ctx_instance *nss_ctx, struct nss_cmn_msg *ncm, __attribute__((unused))void *app_data) |
| { |
| struct nss_ipv6_reasm_msg *nim = (struct nss_ipv6_reasm_msg *)ncm; |
| |
| BUG_ON(ncm->interface != NSS_IPV6_REASM_INTERFACE); |
| |
| switch (nim->cm.type) { |
| case NSS_IPV6_REASM_STATS_SYNC_MSG: |
| /* |
| * Update driver statistics on node sync and send statistics notifications to the registered modules. |
| */ |
| nss_ipv6_reasm_stats_sync(nss_ctx, &nim->msg.stats_sync); |
| nss_ipv6_reasm_stats_notify(nss_ctx); |
| break; |
| default: |
| nss_warning("IPv6 reasm received an unknown message type"); |
| } |
| } |
| |
| /* |
| * nss_ipv6_reasm_get_context() |
| * get NSS context instance for ipv6 reassembly |
| */ |
| struct nss_ctx_instance *nss_ipv6_reasm_get_context(void) |
| { |
| return &nss_top_main.nss[nss_top_main.ipv6_reasm_handler_id]; |
| } |
| EXPORT_SYMBOL(nss_ipv6_reasm_get_context); |
| |
| /* |
| * nss_ipv6_reasm_register_handler() |
| * Register our handler to receive messages for this interface |
| */ |
| void nss_ipv6_reasm_register_handler(void) |
| { |
| struct nss_ctx_instance *nss_ctx = nss_ipv6_reasm_get_context(); |
| |
| if (nss_core_register_handler(nss_ctx, NSS_IPV6_REASM_INTERFACE, nss_ipv6_reasm_msg_handler, NULL) != NSS_CORE_STATUS_SUCCESS) { |
| nss_warning("IPv6 reasm handler failed to register"); |
| } |
| |
| nss_ipv6_reasm_stats_dentry_create(); |
| nss_ipv6_reasm_strings_dentry_create(); |
| } |