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authorLinus Torvalds <torvalds@linux-foundation.org>2017-05-02 16:40:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-02 16:40:27 -0700
commit8d65b08debc7e62b2c6032d7fe7389d895b92cbc (patch)
tree0c3141b60c3a03cc32742b5750c5e763b9dae489 /drivers/s390/net/qeth_l2_main.c
parent5a0387a8a8efb90ae7fea1e2e5c62de3efa74691 (diff)
parent5d15af6778b8e4ed1fd41b040283af278e7a9a72 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Millar: "Here are some highlights from the 2065 networking commits that happened this development cycle: 1) XDP support for IXGBE (John Fastabend) and thunderx (Sunil Kowuri) 2) Add a generic XDP driver, so that anyone can test XDP even if they lack a networking device whose driver has explicit XDP support (me). 3) Sparc64 now has an eBPF JIT too (me) 4) Add a BPF program testing framework via BPF_PROG_TEST_RUN (Alexei Starovoitov) 5) Make netfitler network namespace teardown less expensive (Florian Westphal) 6) Add symmetric hashing support to nft_hash (Laura Garcia Liebana) 7) Implement NAPI and GRO in netvsc driver (Stephen Hemminger) 8) Support TC flower offload statistics in mlxsw (Arkadi Sharshevsky) 9) Multiqueue support in stmmac driver (Joao Pinto) 10) Remove TCP timewait recycling, it never really could possibly work well in the real world and timestamp randomization really zaps any hint of usability this feature had (Soheil Hassas Yeganeh) 11) Support level3 vs level4 ECMP route hashing in ipv4 (Nikolay Aleksandrov) 12) Add socket busy poll support to epoll (Sridhar Samudrala) 13) Netlink extended ACK support (Johannes Berg, Pablo Neira Ayuso, and several others) 14) IPSEC hw offload infrastructure (Steffen Klassert)" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2065 commits) tipc: refactor function tipc_sk_recv_stream() tipc: refactor function tipc_sk_recvmsg() net: thunderx: Optimize page recycling for XDP net: thunderx: Support for XDP header adjustment net: thunderx: Add support for XDP_TX net: thunderx: Add support for XDP_DROP net: thunderx: Add basic XDP support net: thunderx: Cleanup receive buffer allocation net: thunderx: Optimize CQE_TX handling net: thunderx: Optimize RBDR descriptor handling net: thunderx: Support for page recycling ipx: call ipxitf_put() in ioctl error path net: sched: add helpers to handle extended actions qed*: Fix issues in the ptp filter config implementation. qede: Fix concurrency issue in PTP Tx path processing. stmmac: Add support for SIMATIC IOT2000 platform net: hns: fix ethtool_get_strings overflow in hns driver tcp: fix wraparound issue in tcp_lp bpf, arm64: fix jit branch offset related to ldimm64 bpf, arm64: implement jiting of BPF_XADD ...
Diffstat (limited to 'drivers/s390/net/qeth_l2_main.c')
-rw-r--r--drivers/s390/net/qeth_l2_main.c154
1 files changed, 9 insertions, 145 deletions
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index af4e6a639fec..1b07f382d74c 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -16,7 +16,6 @@
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/etherdevice.h>
-#include <linux/mii.h>
#include <linux/ip.h>
#include <linux/list.h>
#include <linux/hash.h>
@@ -28,63 +27,12 @@
static int qeth_l2_set_offline(struct ccwgroup_device *);
static int qeth_l2_stop(struct net_device *);
static void qeth_l2_set_rx_mode(struct net_device *);
-static int qeth_l2_recover(void *);
static void qeth_bridgeport_query_support(struct qeth_card *card);
static void qeth_bridge_state_change(struct qeth_card *card,
struct qeth_ipa_cmd *cmd);
static void qeth_bridge_host_event(struct qeth_card *card,
struct qeth_ipa_cmd *cmd);
-static int qeth_l2_do_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct qeth_card *card = dev->ml_priv;
- struct mii_ioctl_data *mii_data;
- int rc = 0;
-
- if (!card)
- return -ENODEV;
-
- if (!qeth_card_hw_is_reachable(card))
- return -ENODEV;
-
- if (card->info.type == QETH_CARD_TYPE_OSN)
- return -EPERM;
-
- switch (cmd) {
- case SIOC_QETH_ADP_SET_SNMP_CONTROL:
- rc = qeth_snmp_command(card, rq->ifr_ifru.ifru_data);
- break;
- case SIOC_QETH_GET_CARD_TYPE:
- if ((card->info.type == QETH_CARD_TYPE_OSD ||
- card->info.type == QETH_CARD_TYPE_OSM ||
- card->info.type == QETH_CARD_TYPE_OSX) &&
- !card->info.guestlan)
- return 1;
- return 0;
- break;
- case SIOCGMIIPHY:
- mii_data = if_mii(rq);
- mii_data->phy_id = 0;
- break;
- case SIOCGMIIREG:
- mii_data = if_mii(rq);
- if (mii_data->phy_id != 0)
- rc = -EINVAL;
- else
- mii_data->val_out = qeth_mdio_read(dev,
- mii_data->phy_id, mii_data->reg_num);
- break;
- case SIOC_QETH_QUERY_OAT:
- rc = qeth_query_oat_command(card, rq->ifr_ifru.ifru_data);
- break;
- default:
- rc = -EOPNOTSUPP;
- }
- if (rc)
- QETH_CARD_TEXT_(card, 2, "ioce%d", rc);
- return rc;
-}
-
static int qeth_l2_verify_dev(struct net_device *dev)
{
struct qeth_card *card;
@@ -332,7 +280,7 @@ static void qeth_l2_fill_header(struct qeth_card *card, struct qeth_hdr *hdr,
else
hdr->hdr.l2.flags[2] |= QETH_LAYER2_FLAG_UNICAST;
- hdr->hdr.l2.pkt_length = skb->len-QETH_HEADER_SIZE;
+ hdr->hdr.l2.pkt_length = skb->len - sizeof(struct qeth_hdr);
/* VSWITCH relies on the VLAN
* information to be present in
* the QDIO header */
@@ -552,81 +500,6 @@ static int qeth_l2_process_inbound_buffer(struct qeth_card *card,
return work_done;
}
-static int qeth_l2_poll(struct napi_struct *napi, int budget)
-{
- struct qeth_card *card = container_of(napi, struct qeth_card, napi);
- int work_done = 0;
- struct qeth_qdio_buffer *buffer;
- int done;
- int new_budget = budget;
-
- if (card->options.performance_stats) {
- card->perf_stats.inbound_cnt++;
- card->perf_stats.inbound_start_time = qeth_get_micros();
- }
-
- while (1) {
- if (!card->rx.b_count) {
- card->rx.qdio_err = 0;
- card->rx.b_count = qdio_get_next_buffers(
- card->data.ccwdev, 0, &card->rx.b_index,
- &card->rx.qdio_err);
- if (card->rx.b_count <= 0) {
- card->rx.b_count = 0;
- break;
- }
- card->rx.b_element =
- &card->qdio.in_q->bufs[card->rx.b_index]
- .buffer->element[0];
- card->rx.e_offset = 0;
- }
-
- while (card->rx.b_count) {
- buffer = &card->qdio.in_q->bufs[card->rx.b_index];
- if (!(card->rx.qdio_err &&
- qeth_check_qdio_errors(card, buffer->buffer,
- card->rx.qdio_err, "qinerr")))
- work_done += qeth_l2_process_inbound_buffer(
- card, new_budget, &done);
- else
- done = 1;
-
- if (done) {
- if (card->options.performance_stats)
- card->perf_stats.bufs_rec++;
- qeth_put_buffer_pool_entry(card,
- buffer->pool_entry);
- qeth_queue_input_buffer(card, card->rx.b_index);
- card->rx.b_count--;
- if (card->rx.b_count) {
- card->rx.b_index =
- (card->rx.b_index + 1) %
- QDIO_MAX_BUFFERS_PER_Q;
- card->rx.b_element =
- &card->qdio.in_q
- ->bufs[card->rx.b_index]
- .buffer->element[0];
- card->rx.e_offset = 0;
- }
- }
-
- if (work_done >= budget)
- goto out;
- else
- new_budget = budget - work_done;
- }
- }
-
- napi_complete(napi);
- if (qdio_start_irq(card->data.ccwdev, 0))
- napi_schedule(&card->napi);
-out:
- if (card->options.performance_stats)
- card->perf_stats.inbound_time += qeth_get_micros() -
- card->perf_stats.inbound_start_time;
- return work_done;
-}
-
static int qeth_l2_request_initial_mac(struct qeth_card *card)
{
int rc = 0;
@@ -808,7 +681,8 @@ static void qeth_l2_set_rx_mode(struct net_device *dev)
qeth_promisc_to_bridge(card);
}
-static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t qeth_l2_hard_start_xmit(struct sk_buff *skb,
+ struct net_device *dev)
{
int rc;
struct qeth_hdr *hdr = NULL;
@@ -910,7 +784,7 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
elements);
} else
rc = qeth_do_send_packet_fast(card, queue, new_skb, hdr,
- elements, data_offset, hd_len);
+ data_offset, hd_len);
if (!rc) {
card->stats.tx_packets++;
card->stats.tx_bytes += tx_bytes;
@@ -1043,7 +917,7 @@ static const struct ethtool_ops qeth_l2_ethtool_ops = {
.get_ethtool_stats = qeth_core_get_ethtool_stats,
.get_sset_count = qeth_core_get_sset_count,
.get_drvinfo = qeth_core_get_drvinfo,
- .get_settings = qeth_core_ethtool_get_settings,
+ .get_link_ksettings = qeth_core_ethtool_get_link_ksettings,
};
static const struct ethtool_ops qeth_l2_osn_ops = {
@@ -1060,7 +934,7 @@ static const struct net_device_ops qeth_l2_netdev_ops = {
.ndo_start_xmit = qeth_l2_hard_start_xmit,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_rx_mode = qeth_l2_set_rx_mode,
- .ndo_do_ioctl = qeth_l2_do_ioctl,
+ .ndo_do_ioctl = qeth_do_ioctl,
.ndo_set_mac_address = qeth_l2_set_mac_address,
.ndo_change_mtu = qeth_change_mtu,
.ndo_vlan_rx_add_vid = qeth_l2_vlan_rx_add_vid,
@@ -1117,7 +991,7 @@ static int qeth_l2_setup_netdev(struct qeth_card *card)
card->dev->gso_max_size = (QETH_MAX_BUFFER_ELEMENTS(card) - 1) *
PAGE_SIZE;
SET_NETDEV_DEV(card->dev, &card->gdev->dev);
- netif_napi_add(card->dev, &card->napi, qeth_l2_poll, QETH_NAPI_WEIGHT);
+ netif_napi_add(card->dev, &card->napi, qeth_poll, QETH_NAPI_WEIGHT);
netif_carrier_off(card->dev);
return register_netdev(card->dev);
}
@@ -1327,17 +1201,6 @@ static void __exit qeth_l2_exit(void)
pr_info("unregister layer 2 discipline\n");
}
-static void qeth_l2_shutdown(struct ccwgroup_device *gdev)
-{
- struct qeth_card *card = dev_get_drvdata(&gdev->dev);
- qeth_set_allowed_threads(card, 0, 1);
- if ((gdev->state == CCWGROUP_ONLINE) && card->info.hwtrap)
- qeth_hw_trap(card, QETH_DIAGS_TRAP_DISARM);
- qeth_qdio_clear_card(card, 0);
- qeth_clear_qdio_buffers(card);
- qdio_free(CARD_DDEV(card));
-}
-
static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
@@ -1409,15 +1272,16 @@ struct qeth_discipline qeth_l2_discipline = {
.start_poll = qeth_qdio_start_poll,
.input_handler = (qdio_handler_t *) qeth_qdio_input_handler,
.output_handler = (qdio_handler_t *) qeth_qdio_output_handler,
+ .process_rx_buffer = qeth_l2_process_inbound_buffer,
.recover = qeth_l2_recover,
.setup = qeth_l2_probe_device,
.remove = qeth_l2_remove_device,
.set_online = qeth_l2_set_online,
.set_offline = qeth_l2_set_offline,
- .shutdown = qeth_l2_shutdown,
.freeze = qeth_l2_pm_suspend,
.thaw = qeth_l2_pm_resume,
.restore = qeth_l2_pm_resume,
+ .do_ioctl = NULL,
.control_event_handler = qeth_l2_control_event,
};
EXPORT_SYMBOL_GPL(qeth_l2_discipline);