| /* |
| * Copyright (c) 2014-2018 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. |
| */ |
| |
| /** |
| * DOC: i_qdf_nbuf_m.h |
| * |
| * This file provides platform specific nbuf API's. |
| * Included by i_qdf_nbuf.h and should not be included |
| * directly from other files. |
| */ |
| |
| #ifndef _I_QDF_NBUF_M_H |
| #define _I_QDF_NBUF_M_H |
| |
| #define QDF_NBUF_CB_RX_TCP_SEQ_NUM(skb) \ |
| (((struct qdf_nbuf_cb *)((skb)->cb))->u.rx.dev.priv_cb_m.tcp_seq_num) |
| #define QDF_NBUF_CB_RX_TCP_ACK_NUM(skb) \ |
| (((struct qdf_nbuf_cb *)((skb)->cb))->u.rx.dev.priv_cb_m.tcp_ack_num) |
| #define QDF_NBUF_CB_RX_LRO_CTX(skb) \ |
| (((struct qdf_nbuf_cb *)((skb)->cb))->u.rx.dev.priv_cb_m.lro_ctx) |
| |
| #define QDF_NBUF_CB_RX_PEER_LOCAL_ID(skb) \ |
| (((struct qdf_nbuf_cb *)((skb)->cb))->u.rx.dev.priv_cb_m.peer_local_id) |
| |
| #define QDF_NBUF_CB_TX_IPA_OWNED(skb) \ |
| (((struct qdf_nbuf_cb *)((skb)->cb))->u.tx.dev.priv_cb_m.ipa.owned) |
| #define QDF_NBUF_CB_TX_IPA_PRIV(skb) \ |
| (((struct qdf_nbuf_cb *)((skb)->cb))->u.tx.dev.priv_cb_m.ipa.priv) |
| #define QDF_NBUF_CB_TX_DESC_ID(skb)\ |
| (((struct qdf_nbuf_cb *)((skb)->cb))->u.tx.dev.priv_cb_m.desc_id) |
| #define QDF_NBUF_CB_MGMT_TXRX_DESC_ID(skb)\ |
| (((struct qdf_nbuf_cb *)((skb)->cb))->u.tx.dev.priv_cb_m.mgmt_desc_id) |
| |
| #define __qdf_nbuf_ipa_owned_get(skb) \ |
| QDF_NBUF_CB_TX_IPA_OWNED(skb) |
| |
| #define __qdf_nbuf_ipa_owned_set(skb) \ |
| (QDF_NBUF_CB_TX_IPA_OWNED(skb) = 1) |
| |
| #define __qdf_nbuf_ipa_owned_clear(skb) \ |
| (QDF_NBUF_CB_TX_IPA_OWNED(skb) = 0) |
| |
| #define __qdf_nbuf_ipa_priv_get(skb) \ |
| QDF_NBUF_CB_TX_IPA_PRIV(skb) |
| |
| #define __qdf_nbuf_ipa_priv_set(skb, priv) \ |
| (QDF_NBUF_CB_TX_IPA_PRIV(skb) = (priv)) |
| |
| /** |
| * qdf_nbuf_cb_update_peer_local_id() - update peer local id in skb cb |
| * @skb: skb pointer whose cb is updated with peer local id information |
| * @peer_local_id: peer local id to be update in cb |
| * |
| * Return: void |
| */ |
| static inline void qdf_nbuf_cb_update_peer_local_id(struct sk_buff *skb, |
| uint32_t peer_local_id) |
| { |
| QDF_NBUF_CB_RX_PEER_LOCAL_ID(skb) = peer_local_id; |
| } |
| |
| void __qdf_nbuf_init_replenish_timer(void); |
| void __qdf_nbuf_deinit_replenish_timer(void); |
| |
| /** |
| * __qdf_nbuf_push_head() - Push data in the front |
| * @skb: Pointer to network buffer |
| * @size: size to be pushed |
| * |
| * Return: New data pointer of this buf after data has been pushed, |
| * or NULL if there is not enough room in this buf. |
| */ |
| static inline uint8_t *__qdf_nbuf_push_head(struct sk_buff *skb, size_t size) |
| { |
| if (QDF_NBUF_CB_PADDR(skb)) |
| QDF_NBUF_CB_PADDR(skb) -= size; |
| |
| return skb_push(skb, size); |
| } |
| |
| |
| /** |
| * __qdf_nbuf_pull_head() - pull data out from the front |
| * @skb: Pointer to network buffer |
| * @size: size to be popped |
| * |
| * Return: New data pointer of this buf after data has been popped, |
| * or NULL if there is not sufficient data to pull. |
| */ |
| static inline uint8_t *__qdf_nbuf_pull_head(struct sk_buff *skb, size_t size) |
| { |
| if (QDF_NBUF_CB_PADDR(skb)) |
| QDF_NBUF_CB_PADDR(skb) += size; |
| |
| return skb_pull(skb, size); |
| } |
| |
| /** |
| * qdf_nbuf_init_replenish_timer - Initialize the alloc replenish timer |
| * |
| * This function initializes the nbuf alloc fail replenish timer. |
| * |
| * Return: void |
| */ |
| static inline void |
| qdf_nbuf_init_replenish_timer(void) |
| { |
| __qdf_nbuf_init_replenish_timer(); |
| } |
| |
| /** |
| * qdf_nbuf_deinit_replenish_timer - Deinitialize the alloc replenish timer |
| * |
| * This function deinitializes the nbuf alloc fail replenish timer. |
| * |
| * Return: void |
| */ |
| static inline void |
| qdf_nbuf_deinit_replenish_timer(void) |
| { |
| __qdf_nbuf_deinit_replenish_timer(); |
| } |
| |
| #endif /*_I_QDF_NBUF_M_H */ |