rtl88x2CE_WiFi_linux add concurrent mode

hc

2024-09-20 cf4ce59b3b70238352c7f1729f0f7223214828ad

 kernel/net/dccp/input.c
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@@ -1,13 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  net/dccp/input.c
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  *
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  *  An implementation of the DCCP protocol
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  *  Arnaldo Carvalho de Melo <acme@conectiva.com.br>
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- *
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- *	This program is free software; you can redistribute it and/or
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- *	modify it under the terms of the GNU General Public License
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- *	as published by the Free Software Foundation; either version
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- *	2 of the License, or (at your option) any later version.
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  */
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 #include <linux/dccp.h>
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@@ -68,7 +64,7 @@
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 		 */
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 		if (dccp_sk(sk)->dccps_role != DCCP_ROLE_CLIENT)
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 			break;
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-		/* fall through */
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+		fallthrough;
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 	case DCCP_REQUESTING:
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 	case DCCP_ACTIVE_CLOSEREQ:
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 		dccp_send_reset(sk, DCCP_RESET_CODE_CLOSED);
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@@ -80,7 +76,7 @@
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 		queued = 1;
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 		dccp_fin(sk, skb);
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 		dccp_set_state(sk, DCCP_PASSIVE_CLOSE);
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-		/* fall through */
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+		fallthrough;
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 	case DCCP_PASSIVE_CLOSE:
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 		/*
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 		 * Retransmitted Close: we have already enqueued the first one.
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@@ -117,7 +113,7 @@
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 		queued = 1;
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 		dccp_fin(sk, skb);
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 		dccp_set_state(sk, DCCP_PASSIVE_CLOSEREQ);
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-		/* fall through */
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+		fallthrough;
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 	case DCCP_PASSIVE_CLOSEREQ:
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 		sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_HUP);
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 	}
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@@ -480,7 +476,7 @@
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 			sk_wake_async(sk, SOCK_WAKE_IO, POLL_OUT);
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 		}
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-		if (sk->sk_write_pending || icsk->icsk_ack.pingpong ||
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+		if (sk->sk_write_pending || inet_csk_in_pingpong_mode(sk) ||
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 		    icsk->icsk_accept_queue.rskq_defer_accept) {
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 			/* Save one ACK. Data will be ready after
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 			 * several ticks, if write_pending is set.
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@@ -534,7 +530,7 @@
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 	case DCCP_PKT_DATA:
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 		if (sk->sk_state == DCCP_RESPOND)
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 			break;
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-		/* fall through */
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+		fallthrough;
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 	case DCCP_PKT_DATAACK:
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 	case DCCP_PKT_ACK:
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 		/*
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@@ -688,7 +684,7 @@
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 		/* Step 8: if using Ack Vectors, mark packet acknowledgeable */
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 		dccp_handle_ackvec_processing(sk, skb);
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 		dccp_deliver_input_to_ccids(sk, skb);
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-		/* fall through */
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+		fallthrough;
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 	case DCCP_RESPOND:
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 		queued = dccp_rcv_respond_partopen_state_process(sk, skb,
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 								 dh, len);
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@@ -719,6 +715,7 @@
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 /**
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  *  dccp_sample_rtt  -  Validate and finalise computation of RTT sample
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+ *  @sk:	socket structure
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  *  @delta:	number of microseconds between packet and acknowledgment
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  *
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  *  The routine is kept generic to work in different contexts. It should be