/*
 *  Shared Memory Communications over RDMA (SMC-R) and RoCE
 *
 *  Definitions for LLC (link layer control) message handling
 *
 *  Copyright IBM Corp. 2016
 *
 *  Author(s):  Klaus Wacker <Klaus.Wacker@de.ibm.com>
 *              Ursula Braun <ubraun@linux.vnet.ibm.com>
 */

#ifndef SMC_LLC_H
#define SMC_LLC_H

#include "smc_wr.h"

#define SMC_LLC_FLAG_RESP		0x80

#define SMC_LLC_WAIT_FIRST_TIME		(5 * HZ)

enum smc_llc_reqresp {
	SMC_LLC_REQ,
	SMC_LLC_RESP
};

enum smc_llc_msg_type {
	SMC_LLC_CONFIRM_LINK		= 0x01,
};

#define SMC_LLC_DATA_LEN		40

struct smc_llc_hdr {
	struct smc_wr_rx_hdr common;
	u8 length;	/* 44 */
	u8 reserved;
	u8 flags;
};

struct smc_llc_msg_confirm_link {	/* type 0x01 */
	struct smc_llc_hdr hd;
	u8 sender_mac[ETH_ALEN];
	u8 sender_gid[SMC_GID_SIZE];
	u8 sender_qp_num[3];
	u8 link_num;
	u8 link_uid[SMC_LGR_ID_SIZE];
	u8 max_links;
	u8 reserved[9];
};

union smc_llc_msg {
	struct smc_llc_msg_confirm_link confirm_link;
	struct {
		struct smc_llc_hdr hdr;
		u8 data[SMC_LLC_DATA_LEN];
	} raw;
};

/* transmit */
int smc_llc_send_confirm_link(struct smc_link *lnk, u8 mac[], union ib_gid *gid,
			      enum smc_llc_reqresp reqresp);
int smc_llc_init(void) __init;

#endif /* SMC_LLC_H */
cket-loop-back'>packet-loop-back</option>
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<tr><td class='sub'>net-next plumbings</td><td class='sub right'>Tobias Klauser</td></tr></table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=280892226ba25289519c685a6d25ba2670f2d851'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?h=nds-private-remove&amp;id=280892226ba25289519c685a6d25ba2670f2d851'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/ipv4?h=nds-private-remove&amp;id=280892226ba25289519c685a6d25ba2670f2d851'>ipv4</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/ipv4/tcp_output.c?h=nds-private-remove&amp;id=280892226ba25289519c685a6d25ba2670f2d851'>tcp_output.c</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/ipv4/tcp_output.c?h=nds-private-remove&amp;id=280892226ba25289519c685a6d25ba2670f2d851&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2017-02-07 13:07:46 -0500'>2017-02-07</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/tcp_output.c?h=nds-private-remove&amp;id=c3a2e8370534f810cac6050169db0ed3e0f94f0b'>tcp: replace dst_confirm with sk_dst_confirm</a></td><td>Julian Anastasov</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-02-03 16:23:57 -0500'>2017-02-03</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/tcp_output.c?h=nds-private-remove&amp;id=38ab52e8e1e2dd65f2d349f82553335813b638d2'>tcp: clear pfmemalloc on outgoing skb</a></td><td>Eric Dumazet</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+7</span></td></tr>
<tr><td><span title='2017-02-03 11:19:34 -0500'>2017-02-03</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/tcp_output.c?h=nds-private-remove&amp;id=3541f9e8bdebce02458882b66b638d7302c1f616'>tcp: add tcp_mss_clamp() helper</a></td><td>Eric Dumazet</td><td>1</td><td><span class='deletions'>-10</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2017-02-02 16:54:00 -0500'>2017-02-02</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/tcp_output.c?h=nds-private-remove&amp;id=e2160156bf2a7d5018e99a9993fbcdda0abac09b'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</a></td><td>David S. Miller</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2017-02-01 12:55:42 -0500'>2017-02-01</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/net/ipv4/tcp_output.c?h=nds-private-remove&amp;id=06425c308b92eaf60767bc71d359f4cbc7a561f8'>tcp: fix 0 divide in __tcp_select_window()</a></td><td>Eric Dumazet</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+4</span></td></tr>