518 static void prb_del_retire_blk_timer(struct tpacket_kbdq_core *pkc)  in prb_del_retire_blk_timer()  argument
520 	del_timer_sync(&pkc->retire_blk_timer);  in prb_del_retire_blk_timer()
526 	struct tpacket_kbdq_core *pkc;  in prb_shutdown_retire_blk_timer()  local
528 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_shutdown_retire_blk_timer()
531 	pkc->delete_blk_timer = 1;  in prb_shutdown_retire_blk_timer()
534 	prb_del_retire_blk_timer(pkc);  in prb_shutdown_retire_blk_timer()
538 		struct tpacket_kbdq_core *pkc,  in prb_init_blk_timer()  argument
541 	init_timer(&pkc->retire_blk_timer);  in prb_init_blk_timer()
542 	pkc->retire_blk_timer.data = (long)po;  in prb_init_blk_timer()
543 	pkc->retire_blk_timer.function = func;  in prb_init_blk_timer()
544 	pkc->retire_blk_timer.expires = jiffies;  in prb_init_blk_timer()
549 	struct tpacket_kbdq_core *pkc;  in prb_setup_retire_blk_timer()  local
551 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_setup_retire_blk_timer()
552 	prb_init_blk_timer(po, pkc, prb_retire_rx_blk_timer_expired);  in prb_setup_retire_blk_timer()
641 static void _prb_refresh_rx_retire_blk_timer(struct tpacket_kbdq_core *pkc)  in _prb_refresh_rx_retire_blk_timer()  argument
643 	mod_timer(&pkc->retire_blk_timer,  in _prb_refresh_rx_retire_blk_timer()
644 			jiffies + pkc->tov_in_jiffies);  in _prb_refresh_rx_retire_blk_timer()
645 	pkc->last_kactive_blk_num = pkc->kactive_blk_num;  in _prb_refresh_rx_retire_blk_timer()
674 	struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_retire_rx_blk_timer_expired()  local
680 	frozen = prb_queue_frozen(pkc);  in prb_retire_rx_blk_timer_expired()
681 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_retire_rx_blk_timer_expired()
683 	if (unlikely(pkc->delete_blk_timer))  in prb_retire_rx_blk_timer_expired()
696 		while (atomic_read(&pkc->blk_fill_in_prog)) {  in prb_retire_rx_blk_timer_expired()
702 	if (pkc->last_kactive_blk_num == pkc->kactive_blk_num) {  in prb_retire_rx_blk_timer_expired()
708 			prb_retire_current_block(pkc, po, TP_STATUS_BLK_TMO);  in prb_retire_rx_blk_timer_expired()
709 			if (!prb_dispatch_next_block(pkc, po))  in prb_retire_rx_blk_timer_expired()
717 			if (prb_curr_blk_in_use(pkc, pbd)) {  in prb_retire_rx_blk_timer_expired()
731 				prb_open_block(pkc, pbd);  in prb_retire_rx_blk_timer_expired()
738 	_prb_refresh_rx_retire_blk_timer(pkc);  in prb_retire_rx_blk_timer_expired()
829 static void prb_thaw_queue(struct tpacket_kbdq_core *pkc)  in prb_thaw_queue()  argument
831 	pkc->reset_pending_on_curr_blk = 0;  in prb_thaw_queue()
901 static void prb_freeze_queue(struct tpacket_kbdq_core *pkc,  in prb_freeze_queue()  argument
904 	pkc->reset_pending_on_curr_blk = 1;  in prb_freeze_queue()
916 static void *prb_dispatch_next_block(struct tpacket_kbdq_core *pkc,  in prb_dispatch_next_block()  argument
924 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_dispatch_next_block()
928 		prb_freeze_queue(pkc, po);  in prb_dispatch_next_block()
937 	prb_open_block(pkc, pbd);  in prb_dispatch_next_block()
938 	return (void *)pkc->nxt_offset;  in prb_dispatch_next_block()
941 static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,  in prb_retire_current_block()  argument
944 	struct tpacket_block_desc *pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_retire_current_block()
958 			while (atomic_read(&pkc->blk_fill_in_prog)) {  in prb_retire_current_block()
963 		prb_close_block(pkc, pbd, po, status);  in prb_retire_current_block()
968 static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc,  in prb_curr_blk_in_use()  argument
974 static int prb_queue_frozen(struct tpacket_kbdq_core *pkc)  in prb_queue_frozen()  argument
976 	return pkc->reset_pending_on_curr_blk;  in prb_queue_frozen()
981 	struct tpacket_kbdq_core *pkc  = GET_PBDQC_FROM_RB(rb);  in prb_clear_blk_fill_status()  local
982 	atomic_dec(&pkc->blk_fill_in_prog);  in prb_clear_blk_fill_status()
985 static void prb_fill_rxhash(struct tpacket_kbdq_core *pkc,  in prb_fill_rxhash()  argument
988 	ppd->hv1.tp_rxhash = skb_get_hash(pkc->skb);  in prb_fill_rxhash()
991 static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc,  in prb_clear_rxhash()  argument
997 static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc,  in prb_fill_vlan_info()  argument
1000 	if (skb_vlan_tag_present(pkc->skb)) {  in prb_fill_vlan_info()
1001 		ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb);  in prb_fill_vlan_info()
1002 		ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto);  in prb_fill_vlan_info()
1011 static void prb_run_all_ft_ops(struct tpacket_kbdq_core *pkc,  in prb_run_all_ft_ops()  argument
1015 	prb_fill_vlan_info(pkc, ppd);  in prb_run_all_ft_ops()
1017 	if (pkc->feature_req_word & TP_FT_REQ_FILL_RXHASH)  in prb_run_all_ft_ops()
1018 		prb_fill_rxhash(pkc, ppd);  in prb_run_all_ft_ops()
1020 		prb_clear_rxhash(pkc, ppd);  in prb_run_all_ft_ops()
1024 				struct tpacket_kbdq_core *pkc,  in prb_fill_curr_block()  argument
1032 	pkc->prev = curr;  in prb_fill_curr_block()
1033 	pkc->nxt_offset += TOTAL_PKT_LEN_INCL_ALIGN(len);  in prb_fill_curr_block()
1036 	atomic_inc(&pkc->blk_fill_in_prog);  in prb_fill_curr_block()
1037 	prb_run_all_ft_ops(pkc, ppd);  in prb_fill_curr_block()
1047 	struct tpacket_kbdq_core *pkc;  in __packet_lookup_frame_in_block()  local
1051 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in __packet_lookup_frame_in_block()
1052 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in __packet_lookup_frame_in_block()
1055 	if (prb_queue_frozen(pkc)) {  in __packet_lookup_frame_in_block()
1060 		if (prb_curr_blk_in_use(pkc, pbd)) {  in __packet_lookup_frame_in_block()
1070 			prb_open_block(pkc, pbd);  in __packet_lookup_frame_in_block()
1075 	curr = pkc->nxt_offset;  in __packet_lookup_frame_in_block()
1076 	pkc->skb = skb;  in __packet_lookup_frame_in_block()
1077 	end = (char *)pbd + pkc->kblk_size;  in __packet_lookup_frame_in_block()
1081 		prb_fill_curr_block(curr, pkc, pbd, len);  in __packet_lookup_frame_in_block()
1086 	prb_retire_current_block(pkc, po, 0);  in __packet_lookup_frame_in_block()
1089 	curr = (char *)prb_dispatch_next_block(pkc, po);  in __packet_lookup_frame_in_block()
1091 		pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in __packet_lookup_frame_in_block()
1092 		prb_fill_curr_block(curr, pkc, pbd, len);  in __packet_lookup_frame_in_block()
1128 	struct tpacket_kbdq_core *pkc  = GET_PBDQC_FROM_RB(rb);  in prb_lookup_block()  local
1129 	struct tpacket_block_desc *pbd = GET_PBLOCK_DESC(pkc, idx);  in prb_lookup_block()