C++ (Cpp) octeon_eth_send_makecmd_gbuf Exemples

Exemple #1

Fichier : if_cnmac.c Projet : ajinkya93/OpenBSD

int
octeon_eth_send_makecmd(struct octeon_eth_softc *sc, struct mbuf *m,
    uint64_t *gbuf, uint64_t *rpko_cmd_w0, uint64_t *rpko_cmd_w1)
{
	uint64_t pko_cmd_w0, pko_cmd_w1;
	int ipoffp1;
	int segs;
	int result = 0;

	if (octeon_eth_send_makecmd_gbuf(sc, m, gbuf, &segs)) {
		log(LOG_WARNING, "%s: large number of transmission"
		    " data segments", sc->sc_dev.dv_xname);
		result = 1;
		goto done;
	}

	/* Get the IP packet offset for TCP/UDP checksum offloading. */
	ipoffp1 = (m->m_pkthdr.csum_flags & (M_TCP_CSUM_OUT | M_UDP_CSUM_OUT))
	    ? (ETHER_HDR_LEN + 1) : 0;

	/*
	 * segs == 1	-> link mode (single continuous buffer)
	 *		   WORD1[size] is number of bytes pointed by segment
	 *
	 * segs > 1	-> gather mode (scatter-gather buffer)
	 *		   WORD1[size] is number of segments
	 */
	pko_cmd_w0 = octeon_eth_send_makecmd_w0(sc->sc_fau_done.fd_regno,
	    0, m->m_pkthdr.len, segs, ipoffp1);
	pko_cmd_w1 = octeon_eth_send_makecmd_w1(
	    (segs == 1) ? m->m_pkthdr.len : segs,
	    (segs == 1) ? 
		KVTOPHYS(m->m_data) :
		XKPHYS_TO_PHYS(gbuf));

	*rpko_cmd_w0 = pko_cmd_w0;
	*rpko_cmd_w1 = pko_cmd_w1;

done:
	return result;
}

Exemple #2

Fichier : if_cnmac.c Projet : orumin/openbsd-efivars

int
octeon_eth_send_makecmd(struct octeon_eth_softc *sc, struct mbuf *m,
    uint64_t *gbuf, uint64_t *rpko_cmd_w0, uint64_t *rpko_cmd_w1)
{
	uint64_t pko_cmd_w0, pko_cmd_w1;
	int segs;
	int result = 0;

	if (octeon_eth_send_makecmd_gbuf(sc, m, gbuf, &segs)) {
		log(LOG_WARNING, "%s: large number of transmission"
		    " data segments", sc->sc_dev.dv_xname);
		result = 1;
		goto done;
	}

	/*
	 * segs == 1	-> link mode (single continuous buffer)
	 *		   WORD1[size] is number of bytes pointed by segment
	 *
	 * segs > 1	-> gather mode (scatter-gather buffer)
	 *		   WORD1[size] is number of segments
	 */
	pko_cmd_w0 = octeon_eth_send_makecmd_w0(sc->sc_fau_done.fd_regno,
	    0, m->m_pkthdr.len, segs);
	pko_cmd_w1 = octeon_eth_send_makecmd_w1(
	    (segs == 1) ? m->m_pkthdr.len : segs,
	    (segs == 1) ? 
		KVTOPHYS(m->m_data) :
		XKPHYS_TO_PHYS(gbuf));

	*rpko_cmd_w0 = pko_cmd_w0;
	*rpko_cmd_w1 = pko_cmd_w1;

done:
	return result;
}