490 static void prb_del_retire_blk_timer(struct tpacket_kbdq_core *pkc)  in prb_del_retire_blk_timer()  argument
492 	del_timer_sync(&pkc->retire_blk_timer);  in prb_del_retire_blk_timer()
498 	struct tpacket_kbdq_core *pkc;  in prb_shutdown_retire_blk_timer()  local
500 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_shutdown_retire_blk_timer()
503 	pkc->delete_blk_timer = 1;  in prb_shutdown_retire_blk_timer()
506 	prb_del_retire_blk_timer(pkc);  in prb_shutdown_retire_blk_timer()
511 	struct tpacket_kbdq_core *pkc;  in prb_setup_retire_blk_timer()  local
513 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_setup_retire_blk_timer()
514 	timer_setup(&pkc->retire_blk_timer, prb_retire_rx_blk_timer_expired,  in prb_setup_retire_blk_timer()
516 	pkc->retire_blk_timer.expires = jiffies;  in prb_setup_retire_blk_timer()
604 static void _prb_refresh_rx_retire_blk_timer(struct tpacket_kbdq_core *pkc)  in _prb_refresh_rx_retire_blk_timer()  argument
606 	mod_timer(&pkc->retire_blk_timer,  in _prb_refresh_rx_retire_blk_timer()
607 			jiffies + pkc->tov_in_jiffies);  in _prb_refresh_rx_retire_blk_timer()
608 	pkc->last_kactive_blk_num = pkc->kactive_blk_num;  in _prb_refresh_rx_retire_blk_timer()
638 	struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_retire_rx_blk_timer_expired()  local
644 	frozen = prb_queue_frozen(pkc);  in prb_retire_rx_blk_timer_expired()
645 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_retire_rx_blk_timer_expired()
647 	if (unlikely(pkc->delete_blk_timer))  in prb_retire_rx_blk_timer_expired()
660 		while (atomic_read(&pkc->blk_fill_in_prog)) {  in prb_retire_rx_blk_timer_expired()
666 	if (pkc->last_kactive_blk_num == pkc->kactive_blk_num) {  in prb_retire_rx_blk_timer_expired()
672 			prb_retire_current_block(pkc, po, TP_STATUS_BLK_TMO);  in prb_retire_rx_blk_timer_expired()
673 			if (!prb_dispatch_next_block(pkc, po))  in prb_retire_rx_blk_timer_expired()
695 				prb_open_block(pkc, pbd);  in prb_retire_rx_blk_timer_expired()
702 	_prb_refresh_rx_retire_blk_timer(pkc);  in prb_retire_rx_blk_timer_expired()
793 static void prb_thaw_queue(struct tpacket_kbdq_core *pkc)  in prb_thaw_queue()  argument
795 	pkc->reset_pending_on_curr_blk = 0;  in prb_thaw_queue()
865 static void prb_freeze_queue(struct tpacket_kbdq_core *pkc,  in prb_freeze_queue()  argument
868 	pkc->reset_pending_on_curr_blk = 1;  in prb_freeze_queue()
880 static void *prb_dispatch_next_block(struct tpacket_kbdq_core *pkc,  in prb_dispatch_next_block()  argument
888 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_dispatch_next_block()
892 		prb_freeze_queue(pkc, po);  in prb_dispatch_next_block()
901 	prb_open_block(pkc, pbd);  in prb_dispatch_next_block()
902 	return (void *)pkc->nxt_offset;  in prb_dispatch_next_block()
905 static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,  in prb_retire_current_block()  argument
908 	struct tpacket_block_desc *pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_retire_current_block()
922 			while (atomic_read(&pkc->blk_fill_in_prog)) {  in prb_retire_current_block()
927 		prb_close_block(pkc, pbd, po, status);  in prb_retire_current_block()
937 static int prb_queue_frozen(struct tpacket_kbdq_core *pkc)  in prb_queue_frozen()  argument
939 	return pkc->reset_pending_on_curr_blk;  in prb_queue_frozen()
944 	struct tpacket_kbdq_core *pkc  = GET_PBDQC_FROM_RB(rb);  in prb_clear_blk_fill_status()  local
945 	atomic_dec(&pkc->blk_fill_in_prog);  in prb_clear_blk_fill_status()
948 static void prb_fill_rxhash(struct tpacket_kbdq_core *pkc,  in prb_fill_rxhash()  argument
951 	ppd->hv1.tp_rxhash = skb_get_hash(pkc->skb);  in prb_fill_rxhash()
954 static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc,  in prb_clear_rxhash()  argument
960 static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc,  in prb_fill_vlan_info()  argument
963 	if (skb_vlan_tag_present(pkc->skb)) {  in prb_fill_vlan_info()
964 		ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb);  in prb_fill_vlan_info()
965 		ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto);  in prb_fill_vlan_info()
974 static void prb_run_all_ft_ops(struct tpacket_kbdq_core *pkc,  in prb_run_all_ft_ops()  argument
978 	prb_fill_vlan_info(pkc, ppd);  in prb_run_all_ft_ops()
980 	if (pkc->feature_req_word & TP_FT_REQ_FILL_RXHASH)  in prb_run_all_ft_ops()
981 		prb_fill_rxhash(pkc, ppd);  in prb_run_all_ft_ops()
983 		prb_clear_rxhash(pkc, ppd);  in prb_run_all_ft_ops()
987 				struct tpacket_kbdq_core *pkc,  in prb_fill_curr_block()  argument
995 	pkc->prev = curr;  in prb_fill_curr_block()
996 	pkc->nxt_offset += TOTAL_PKT_LEN_INCL_ALIGN(len);  in prb_fill_curr_block()
999 	atomic_inc(&pkc->blk_fill_in_prog);  in prb_fill_curr_block()
1000 	prb_run_all_ft_ops(pkc, ppd);  in prb_fill_curr_block()
1009 	struct tpacket_kbdq_core *pkc;  in __packet_lookup_frame_in_block()  local
1013 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in __packet_lookup_frame_in_block()
1014 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in __packet_lookup_frame_in_block()
1017 	if (prb_queue_frozen(pkc)) {  in __packet_lookup_frame_in_block()
1032 			prb_open_block(pkc, pbd);  in __packet_lookup_frame_in_block()
1037 	curr = pkc->nxt_offset;  in __packet_lookup_frame_in_block()
1038 	pkc->skb = skb;  in __packet_lookup_frame_in_block()
1039 	end = (char *)pbd + pkc->kblk_size;  in __packet_lookup_frame_in_block()
1043 		prb_fill_curr_block(curr, pkc, pbd, len);  in __packet_lookup_frame_in_block()
1048 	prb_retire_current_block(pkc, po, 0);  in __packet_lookup_frame_in_block()
1051 	curr = (char *)prb_dispatch_next_block(pkc, po);  in __packet_lookup_frame_in_block()
1053 		pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in __packet_lookup_frame_in_block()
1054 		prb_fill_curr_block(curr, pkc, pbd, len);  in __packet_lookup_frame_in_block()
1090 	struct tpacket_kbdq_core *pkc  = GET_PBDQC_FROM_RB(rb);  in prb_lookup_block()  local
1091 	struct tpacket_block_desc *pbd = GET_PBLOCK_DESC(pkc, idx);  in prb_lookup_block()