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s390/qeth: extract bridgeport cmd builder
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Consolidation of duplicated code, no functional change.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Julian Wiedmann authored and David S. Miller committed Aug 15, 2017
1 parent cef6ff2 commit d65626a
Showing 1 changed file with 26 additions and 36 deletions.
62 changes: 26 additions & 36 deletions drivers/s390/net/qeth_l2_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1724,11 +1724,26 @@ static int qeth_bridgeport_makerc(struct qeth_card *card,
return rc;
}

static inline int ipa_cmd_sbp(struct qeth_card *card)
static struct qeth_cmd_buffer *qeth_sbp_build_cmd(struct qeth_card *card,
enum qeth_ipa_sbp_cmd sbp_cmd,
unsigned int cmd_length)
{
return (card->info.type == QETH_CARD_TYPE_IQD) ?
IPA_CMD_SETBRIDGEPORT_IQD :
IPA_CMD_SETBRIDGEPORT_OSA;
enum qeth_ipa_cmds ipa_cmd = (card->info.type == QETH_CARD_TYPE_IQD) ?
IPA_CMD_SETBRIDGEPORT_IQD :
IPA_CMD_SETBRIDGEPORT_OSA;
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;

iob = qeth_get_ipacmd_buffer(card, ipa_cmd, 0);
if (!iob)
return iob;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
cmd->data.sbp.hdr.cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) +
cmd_length;
cmd->data.sbp.hdr.command_code = sbp_cmd;
cmd->data.sbp.hdr.used_total = 1;
cmd->data.sbp.hdr.seq_no = 1;
return iob;
}

static int qeth_bridgeport_query_support_cb(struct qeth_card *card,
Expand Down Expand Up @@ -1758,21 +1773,13 @@ static int qeth_bridgeport_query_support_cb(struct qeth_card *card,
static void qeth_bridgeport_query_support(struct qeth_card *card)
{
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct _qeth_sbp_cbctl cbctl;

QETH_CARD_TEXT(card, 2, "brqsuppo");
iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_COMMANDS_SUPPORTED,
sizeof(struct qeth_sbp_query_cmds_supp));
if (!iob)
return;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
cmd->data.sbp.hdr.cmdlength =
sizeof(struct qeth_ipacmd_sbp_hdr) +
sizeof(struct qeth_sbp_query_cmds_supp);
cmd->data.sbp.hdr.command_code =
IPA_SBP_QUERY_COMMANDS_SUPPORTED;
cmd->data.sbp.hdr.used_total = 1;
cmd->data.sbp.hdr.seq_no = 1;
if (qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_support_cb,
(void *)&cbctl) ||
qeth_bridgeport_makerc(card, &cbctl,
Expand Down Expand Up @@ -1826,7 +1833,6 @@ int qeth_bridgeport_query_ports(struct qeth_card *card,
{
int rc = 0;
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct _qeth_sbp_cbctl cbctl = {
.data = {
.qports = {
Expand All @@ -1839,16 +1845,9 @@ int qeth_bridgeport_query_ports(struct qeth_card *card,
QETH_CARD_TEXT(card, 2, "brqports");
if (!(card->options.sbp.supported_funcs & IPA_SBP_QUERY_BRIDGE_PORTS))
return -EOPNOTSUPP;
iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
iob = qeth_sbp_build_cmd(card, IPA_SBP_QUERY_BRIDGE_PORTS, 0);
if (!iob)
return -ENOMEM;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
cmd->data.sbp.hdr.cmdlength =
sizeof(struct qeth_ipacmd_sbp_hdr);
cmd->data.sbp.hdr.command_code =
IPA_SBP_QUERY_BRIDGE_PORTS;
cmd->data.sbp.hdr.used_total = 1;
cmd->data.sbp.hdr.seq_no = 1;
rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_query_ports_cb,
(void *)&cbctl);
if (rc < 0)
Expand Down Expand Up @@ -1880,40 +1879,31 @@ int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role)
int rc = 0;
int cmdlength;
struct qeth_cmd_buffer *iob;
struct qeth_ipa_cmd *cmd;
struct _qeth_sbp_cbctl cbctl;
enum qeth_ipa_sbp_cmd setcmd;

QETH_CARD_TEXT(card, 2, "brsetrol");
switch (role) {
case QETH_SBP_ROLE_NONE:
setcmd = IPA_SBP_RESET_BRIDGE_PORT_ROLE;
cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) +
sizeof(struct qeth_sbp_reset_role);
cmdlength = sizeof(struct qeth_sbp_reset_role);
break;
case QETH_SBP_ROLE_PRIMARY:
setcmd = IPA_SBP_SET_PRIMARY_BRIDGE_PORT;
cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) +
sizeof(struct qeth_sbp_set_primary);
cmdlength = sizeof(struct qeth_sbp_set_primary);
break;
case QETH_SBP_ROLE_SECONDARY:
setcmd = IPA_SBP_SET_SECONDARY_BRIDGE_PORT;
cmdlength = sizeof(struct qeth_ipacmd_sbp_hdr) +
sizeof(struct qeth_sbp_set_secondary);
cmdlength = sizeof(struct qeth_sbp_set_secondary);
break;
default:
return -EINVAL;
}
if (!(card->options.sbp.supported_funcs & setcmd))
return -EOPNOTSUPP;
iob = qeth_get_ipacmd_buffer(card, ipa_cmd_sbp(card), 0);
iob = qeth_sbp_build_cmd(card, setcmd, cmdlength);
if (!iob)
return -ENOMEM;
cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
cmd->data.sbp.hdr.cmdlength = cmdlength;
cmd->data.sbp.hdr.command_code = setcmd;
cmd->data.sbp.hdr.used_total = 1;
cmd->data.sbp.hdr.seq_no = 1;
rc = qeth_send_ipa_cmd(card, iob, qeth_bridgeport_set_cb,
(void *)&cbctl);
if (rc < 0)
Expand Down

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