501 static void prb_del_retire_blk_timer(struct tpacket_kbdq_core *pkc)  in prb_del_retire_blk_timer()  argument
503 	del_timer_sync(&pkc->retire_blk_timer);  in prb_del_retire_blk_timer()
509 	struct tpacket_kbdq_core *pkc;  in prb_shutdown_retire_blk_timer()  local
511 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_shutdown_retire_blk_timer()
514 	pkc->delete_blk_timer = 1;  in prb_shutdown_retire_blk_timer()
517 	prb_del_retire_blk_timer(pkc);  in prb_shutdown_retire_blk_timer()
522 	struct tpacket_kbdq_core *pkc;  in prb_setup_retire_blk_timer()  local
524 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_setup_retire_blk_timer()
525 	timer_setup(&pkc->retire_blk_timer, prb_retire_rx_blk_timer_expired,  in prb_setup_retire_blk_timer()
527 	pkc->retire_blk_timer.expires = jiffies;  in prb_setup_retire_blk_timer()
611 static void _prb_refresh_rx_retire_blk_timer(struct tpacket_kbdq_core *pkc)  in _prb_refresh_rx_retire_blk_timer()  argument
613 	mod_timer(&pkc->retire_blk_timer,  in _prb_refresh_rx_retire_blk_timer()
614 			jiffies + pkc->tov_in_jiffies);  in _prb_refresh_rx_retire_blk_timer()
615 	pkc->last_kactive_blk_num = pkc->kactive_blk_num;  in _prb_refresh_rx_retire_blk_timer()
645 	struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_retire_rx_blk_timer_expired()  local
651 	frozen = prb_queue_frozen(pkc);  in prb_retire_rx_blk_timer_expired()
652 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_retire_rx_blk_timer_expired()
654 	if (unlikely(pkc->delete_blk_timer))  in prb_retire_rx_blk_timer_expired()
668 		write_lock(&pkc->blk_fill_in_prog_lock);  in prb_retire_rx_blk_timer_expired()
669 		write_unlock(&pkc->blk_fill_in_prog_lock);  in prb_retire_rx_blk_timer_expired()
672 	if (pkc->last_kactive_blk_num == pkc->kactive_blk_num) {  in prb_retire_rx_blk_timer_expired()
678 			prb_retire_current_block(pkc, po, TP_STATUS_BLK_TMO);  in prb_retire_rx_blk_timer_expired()
679 			if (!prb_dispatch_next_block(pkc, po))  in prb_retire_rx_blk_timer_expired()
701 				prb_open_block(pkc, pbd);  in prb_retire_rx_blk_timer_expired()
708 	_prb_refresh_rx_retire_blk_timer(pkc);  in prb_retire_rx_blk_timer_expired()
799 static void prb_thaw_queue(struct tpacket_kbdq_core *pkc)  in prb_thaw_queue()  argument
801 	pkc->reset_pending_on_curr_blk = 0;  in prb_thaw_queue()
871 static void prb_freeze_queue(struct tpacket_kbdq_core *pkc,  in prb_freeze_queue()  argument
874 	pkc->reset_pending_on_curr_blk = 1;  in prb_freeze_queue()
886 static void *prb_dispatch_next_block(struct tpacket_kbdq_core *pkc,  in prb_dispatch_next_block()  argument
894 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_dispatch_next_block()
898 		prb_freeze_queue(pkc, po);  in prb_dispatch_next_block()
907 	prb_open_block(pkc, pbd);  in prb_dispatch_next_block()
908 	return (void *)pkc->nxt_offset;  in prb_dispatch_next_block()
911 static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,  in prb_retire_current_block()  argument
914 	struct tpacket_block_desc *pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_retire_current_block()
929 			write_lock(&pkc->blk_fill_in_prog_lock);  in prb_retire_current_block()
930 			write_unlock(&pkc->blk_fill_in_prog_lock);  in prb_retire_current_block()
932 		prb_close_block(pkc, pbd, po, status);  in prb_retire_current_block()
942 static int prb_queue_frozen(struct tpacket_kbdq_core *pkc)  in prb_queue_frozen()  argument
944 	return pkc->reset_pending_on_curr_blk;  in prb_queue_frozen()
948 	__releases(&pkc->blk_fill_in_prog_lock)  in prb_clear_blk_fill_status()
950 	struct tpacket_kbdq_core *pkc  = GET_PBDQC_FROM_RB(rb);  in prb_clear_blk_fill_status()  local
952 	read_unlock(&pkc->blk_fill_in_prog_lock);  in prb_clear_blk_fill_status()
955 static void prb_fill_rxhash(struct tpacket_kbdq_core *pkc,  in prb_fill_rxhash()  argument
958 	ppd->hv1.tp_rxhash = skb_get_hash(pkc->skb);  in prb_fill_rxhash()
961 static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc,  in prb_clear_rxhash()  argument
967 static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc,  in prb_fill_vlan_info()  argument
970 	if (skb_vlan_tag_present(pkc->skb)) {  in prb_fill_vlan_info()
971 		ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb);  in prb_fill_vlan_info()
972 		ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto);  in prb_fill_vlan_info()
981 static void prb_run_all_ft_ops(struct tpacket_kbdq_core *pkc,  in prb_run_all_ft_ops()  argument
985 	prb_fill_vlan_info(pkc, ppd);  in prb_run_all_ft_ops()
987 	if (pkc->feature_req_word & TP_FT_REQ_FILL_RXHASH)  in prb_run_all_ft_ops()
988 		prb_fill_rxhash(pkc, ppd);  in prb_run_all_ft_ops()
990 		prb_clear_rxhash(pkc, ppd);  in prb_run_all_ft_ops()
994 				struct tpacket_kbdq_core *pkc,  in prb_fill_curr_block()  argument
997 	__acquires(&pkc->blk_fill_in_prog_lock)  in prb_fill_curr_block()
1003 	pkc->prev = curr;  in prb_fill_curr_block()
1004 	pkc->nxt_offset += TOTAL_PKT_LEN_INCL_ALIGN(len);  in prb_fill_curr_block()
1007 	read_lock(&pkc->blk_fill_in_prog_lock);  in prb_fill_curr_block()
1008 	prb_run_all_ft_ops(pkc, ppd);  in prb_fill_curr_block()
1017 	struct tpacket_kbdq_core *pkc;  in __packet_lookup_frame_in_block()  local
1021 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in __packet_lookup_frame_in_block()
1022 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in __packet_lookup_frame_in_block()
1025 	if (prb_queue_frozen(pkc)) {  in __packet_lookup_frame_in_block()
1040 			prb_open_block(pkc, pbd);  in __packet_lookup_frame_in_block()
1045 	curr = pkc->nxt_offset;  in __packet_lookup_frame_in_block()
1046 	pkc->skb = skb;  in __packet_lookup_frame_in_block()
1047 	end = (char *)pbd + pkc->kblk_size;  in __packet_lookup_frame_in_block()
1051 		prb_fill_curr_block(curr, pkc, pbd, len);  in __packet_lookup_frame_in_block()
1056 	prb_retire_current_block(pkc, po, 0);  in __packet_lookup_frame_in_block()
1059 	curr = (char *)prb_dispatch_next_block(pkc, po);  in __packet_lookup_frame_in_block()
1061 		pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in __packet_lookup_frame_in_block()
1062 		prb_fill_curr_block(curr, pkc, pbd, len);  in __packet_lookup_frame_in_block()
1098 	struct tpacket_kbdq_core *pkc  = GET_PBDQC_FROM_RB(rb);  in prb_lookup_block()  local
1099 	struct tpacket_block_desc *pbd = GET_PBLOCK_DESC(pkc, idx);  in prb_lookup_block()