| /Linux-v6.1/drivers/usb/mtu3/ |
| D | mtu3_gadget.c | 15 __releases(mep->mtu->lock) in mtu3_req_complete()
16 __acquires(mep->mtu->lock) in mtu3_req_complete()
19 struct mtu3 *mtu = mreq->mtu; in mtu3_req_complete() local
26 spin_unlock(&mtu->lock); in mtu3_req_complete()
30 usb_gadget_unmap_request(&mtu->g, req, mep->is_in); in mtu3_req_complete()
32 dev_dbg(mtu->dev, "%s complete req: %p, sts %d, %d/%d\n", in mtu3_req_complete()
36 spin_lock(&mtu->lock); in mtu3_req_complete()
46 dev_dbg(mep->mtu->dev, "abort %s's req: sts %d\n", mep->name, status); in nuke()
63 struct mtu3 *mtu = mep->mtu; in mtu3_ep_enable() local
74 switch (mtu->g.speed) { in mtu3_ep_enable()
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| D | mtu3_core.c | 45 dev_dbg(mep->mtu->dev, "%s fifo:%#x/%#x, start_bit: %d\n", in ep_fifo_alloc()
66 dev_dbg(mep->mtu->dev, "%s size:%#x/%#x, start_bit: %d\n", in ep_fifo_free()
71 static inline void mtu3_ss_func_set(struct mtu3 *mtu, bool enable) in mtu3_ss_func_set() argument
75 mtu3_setbits(mtu->mac_base, U3D_USB3_CONFIG, USB3_EN); in mtu3_ss_func_set()
77 mtu3_clrbits(mtu->mac_base, U3D_USB3_CONFIG, USB3_EN); in mtu3_ss_func_set()
79 dev_dbg(mtu->dev, "USB3_EN = %d\n", !!enable); in mtu3_ss_func_set()
83 static inline void mtu3_hs_softconn_set(struct mtu3 *mtu, bool enable) in mtu3_hs_softconn_set() argument
86 mtu3_setbits(mtu->mac_base, U3D_POWER_MANAGEMENT, in mtu3_hs_softconn_set()
89 mtu3_clrbits(mtu->mac_base, U3D_POWER_MANAGEMENT, in mtu3_hs_softconn_set()
92 dev_dbg(mtu->dev, "SOFTCONN = %d\n", !!enable); in mtu3_hs_softconn_set()
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| D | mtu3_gadget_ep0.c | 18 #define next_ep0_request(mtu) next_request((mtu)->ep0) argument
39 static char *decode_ep0_state(struct mtu3 *mtu) in decode_ep0_state() argument
41 switch (mtu->ep0_state) { in decode_ep0_state()
57 static void ep0_req_giveback(struct mtu3 *mtu, struct usb_request *req) in ep0_req_giveback() argument
59 mtu3_req_complete(mtu->ep0, req, 0); in ep0_req_giveback()
63 forward_to_driver(struct mtu3 *mtu, const struct usb_ctrlrequest *setup) in forward_to_driver() argument
64 __releases(mtu->lock) in forward_to_driver()
65 __acquires(mtu->lock) in forward_to_driver()
69 if (!mtu->gadget_driver || !mtu->async_callbacks) in forward_to_driver()
72 spin_unlock(&mtu->lock); in forward_to_driver()
[all …]
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| D | mtu3_qmu.c | 38 #define GPD_RX_BUF_LEN(mtu, x) \ argument
41 ((mtu)->gen2cp) ? GPD_RX_BUF_LEN_EL(x_) : GPD_RX_BUF_LEN_OG(x_); \
46 #define GPD_DATA_LEN(mtu, x) \ argument
49 ((mtu)->gen2cp) ? GPD_DATA_LEN_EL(x_) : GPD_DATA_LEN_OG(x_); \
57 #define GPD_EXT_NGP(mtu, x) \ argument
60 ((mtu)->gen2cp) ? GPD_EXT_NGP_EL(x_) : GPD_EXT_NGP_OG(x_); \
63 #define GPD_EXT_BUF(mtu, x) \ argument
66 ((mtu)->gen2cp) ? GPD_EXT_BUF_EL(x_) : GPD_EXT_BUF_OG(x_); \
171 gpd = dma_pool_zalloc(mep->mtu->qmu_gpd_pool, GFP_ATOMIC, &ring->dma); in mtu3_gpd_ring_alloc()
184 dma_pool_free(mep->mtu->qmu_gpd_pool, in mtu3_gpd_ring_free()
[all …]
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| D | mtu3_debugfs.c | 81 struct mtu3 *mtu = sf->private; in mtu3_link_state_show() local
82 void __iomem *mbase = mtu->mac_base; in mtu3_link_state_show()
93 struct mtu3 *mtu = sf->private; in mtu3_ep_used_show() local
99 spin_lock_irqsave(&mtu->lock, flags); in mtu3_ep_used_show()
101 for (i = 0; i < mtu->num_eps; i++) { in mtu3_ep_used_show()
102 mep = mtu->in_eps + i; in mtu3_ep_used_show()
108 mep = mtu->out_eps + i; in mtu3_ep_used_show()
116 spin_unlock_irqrestore(&mtu->lock, flags); in mtu3_ep_used_show()
124 static void mtu3_debugfs_regset(struct mtu3 *mtu, void __iomem *base, in mtu3_debugfs_regset() argument
131 mregs = devm_kzalloc(mtu->dev, sizeof(*mregs), GFP_KERNEL); in mtu3_debugfs_regset()
[all …]
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| /Linux-v6.1/tools/testing/selftests/net/ |
| D | pmtu.sh | 4 # Check that route PMTU values match expectations, and that initial device MTU
20 # decrease and increase the MTU of the local link for one of the paths,
41 # set a MTU lower than the VXLAN MTU and the MTU on the link between A and
42 # R1. Send IPv4 packets, exceeding the MTU between R1 and B, over VXLAN
75 # MTU on the B-R1 link is lower than other MTUs.
94 # which is handled by Open vSwitch and bridged to C. MTU on the B-R1 link
125 # created if link layer MTU is not exceeded, then exceed it and check that
127 # below for IPv6 doesn't apply here, because, on IPv4, administrative MTU
136 # route exception is not created if link layer MTU is not exceeded, then
137 # lower MTU on second part of routed environment and check that exception
[all …]
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| D | fib_nexthop_multiprefix.sh | 156 local mtu=$2
158 run_cmd ip -netns h${hostid} li set eth0 mtu ${mtu}
159 run_cmd ip -netns r1 li set eth${hostid} mtu ${mtu}
168 local mtu=$2
183 echo " cache .* mtu ${mtu}"
188 grep -q "cache .* mtu ${mtu}"
191 log_test $rc 0 "IPv4: host 0 to host ${i}, mtu ${mtu}"
197 local mtu=$2
212 echo " ${dst} from :: via ${r1} dev eth0 src ${h0} .* mtu ${mtu}"
217 grep -q "${dst} from :: via ${r1} dev eth0 src ${h0} .* mtu ${mtu}"
[all …]
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| D | icmp_redirect.sh | 279 local mtu=$1
281 run_cmd ip -netns h2 li set eth0 mtu ${mtu}
282 run_cmd ip -netns r2 li set eth2 mtu ${mtu}
287 local mtu="$1"
298 if [ -n "${mtu}" ]; then
299 mtu=" mtu ${mtu}"
303 grep -q "cache <redirected> expires [0-9]*sec${mtu}"
304 elif [ -n "${mtu}" ]; then
306 grep -q "cache expires [0-9]*sec${mtu}"
308 # want to verify that neither mtu nor redirected appears in
[all …]
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| D | udpgso.c | 286 error(1, errno, "ioctl get mtu"); in get_device_mtu()
291 static void __set_device_mtu(int fd, const char *ifname, unsigned int mtu) in __set_device_mtu() argument
297 ifr.ifr_mtu = mtu; in __set_device_mtu()
301 error(1, errno, "ioctl set mtu"); in __set_device_mtu()
304 static void set_device_mtu(int fd, int mtu) in set_device_mtu() argument
309 fprintf(stderr, "device mtu (orig): %u\n", val); in set_device_mtu()
311 __set_device_mtu(fd, cfg_ifname, mtu); in set_device_mtu()
313 if (val != mtu) in set_device_mtu()
314 error(1, 0, "unable to set device mtu to %u\n", val); in set_device_mtu()
316 fprintf(stderr, "device mtu (test): %u\n", val); in set_device_mtu()
[all …]
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| D | psock_snd.sh | 8 readonly mtu=1500
15 readonly mss="$((${mtu} - ${iphlen} - ${udphlen}))"
57 echo "raw mtu size"
60 echo "raw mtu size + 1 (expected to fail)"
65 # echo "raw vlan mtu size"
68 echo "raw vlan mtu size + 1 (expected to fail)"
71 echo "dgram mtu size"
74 echo "dgram mtu size + 1 (expected to fail)"
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| /Linux-v6.1/drivers/clocksource/ |
| D | sh_mtu2.c | 33 struct sh_mtu2_device *mtu; member
161 return ioread8(ch->mtu->mapbase + 0x280); in sh_mtu2_read()
177 return iowrite8(value, ch->mtu->mapbase + 0x280); in sh_mtu2_write()
192 raw_spin_lock_irqsave(&ch->mtu->lock, flags); in sh_mtu2_start_stop_ch()
201 raw_spin_unlock_irqrestore(&ch->mtu->lock, flags); in sh_mtu2_start_stop_ch()
210 pm_runtime_get_sync(&ch->mtu->pdev->dev); in sh_mtu2_enable()
211 dev_pm_syscore_device(&ch->mtu->pdev->dev, true); in sh_mtu2_enable()
214 ret = clk_enable(ch->mtu->clk); in sh_mtu2_enable()
216 dev_err(&ch->mtu->pdev->dev, "ch%u: cannot enable clock\n", in sh_mtu2_enable()
224 rate = clk_get_rate(ch->mtu->clk) / 64; in sh_mtu2_enable()
[all …]
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| /Linux-v6.1/tools/testing/selftests/bpf/prog_tests/ |
| D | check_mtu.c | 18 const char *filename = "/sys/class/net/lo/mtu"; in read_mtu_device_lo()
98 /* Extract MTU that BPF-prog got */ in test_check_mtu_run_xdp()
100 ASSERT_EQ(mtu_result, mtu_expect, "MTU-compare-user"); in test_check_mtu_run_xdp()
104 static void test_check_mtu_xdp(__u32 mtu, __u32 ifindex) in test_check_mtu_xdp() argument
114 skel->rodata->GLOBAL_USER_MTU = mtu; in test_check_mtu_xdp()
121 test_check_mtu_run_xdp(skel, skel->progs.xdp_use_helper, mtu); in test_check_mtu_xdp()
122 test_check_mtu_run_xdp(skel, skel->progs.xdp_exceed_mtu, mtu); in test_check_mtu_xdp()
123 test_check_mtu_run_xdp(skel, skel->progs.xdp_minus_delta, mtu); in test_check_mtu_xdp()
124 test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len, mtu); in test_check_mtu_xdp()
125 test_check_mtu_run_xdp(skel, skel->progs.xdp_input_len_exceed, mtu); in test_check_mtu_xdp()
[all …]
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| /Linux-v6.1/tools/testing/selftests/bpf/progs/ |
| D | test_check_mtu.c | 13 /* Userspace will update with MTU it can see on device */
17 /* BPF-prog will update these with MTU values it can see */
70 /* Exceed MTU with 1 via delta adjust */ in xdp_exceed_mtu()
75 retval = XDP_PASS; /* Success in exceeding MTU check */ in xdp_exceed_mtu()
98 /* Minus length (adjusted via delta) still pass MTU check, other helpers in xdp_minus_delta()
118 * resulting MTU value is still output in mtu_len param after call. in xdp_input_len()
120 * Input len is L3, like MTU and iph->tot_len. in xdp_input_len()
140 * resulting MTU value is still output in mtu_len param after call. in xdp_input_len_exceed()
142 * Input length value is L3 size like MTU. in xdp_input_len_exceed()
150 retval = XDP_PASS ; /* Success in exceeding MTU check */ in xdp_input_len_exceed()
[all …]
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| /Linux-v6.1/drivers/infiniband/sw/rxe/ |
| D | rxe_param.h | 14 static inline enum ib_mtu rxe_mtu_int_to_enum(int mtu) in rxe_mtu_int_to_enum() argument
16 if (mtu < 256) in rxe_mtu_int_to_enum()
18 else if (mtu < 512) in rxe_mtu_int_to_enum()
20 else if (mtu < 1024) in rxe_mtu_int_to_enum()
22 else if (mtu < 2048) in rxe_mtu_int_to_enum()
24 else if (mtu < 4096) in rxe_mtu_int_to_enum()
30 /* Find the IB mtu for a given network MTU. */
31 static inline enum ib_mtu eth_mtu_int_to_enum(int mtu) in eth_mtu_int_to_enum() argument
33 mtu -= RXE_MAX_HDR_LENGTH; in eth_mtu_int_to_enum()
35 return rxe_mtu_int_to_enum(mtu); in eth_mtu_int_to_enum()
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| /Linux-v6.1/tools/testing/selftests/net/forwarding/ |
| D | ipip_lib.sh | 320 local mtu=$1
322 ip link set mtu $mtu dev $h1
323 ip link set mtu $mtu dev $ol1
324 ip link set mtu $mtu dev g1a
325 ip link set mtu $mtu dev $ul1
326 ip link set mtu $mtu dev $ul1.111
327 ip link set mtu $mtu dev $h2
328 ip link set mtu $mtu dev $ol2
329 ip link set mtu $mtu dev g2a
330 ip link set mtu $mtu dev $ul2
[all …]
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| /Linux-v6.1/tools/testing/selftests/tc-testing/tc-tests/actions/ |
| D | police.json | 53 "name": "Add valid police action with mtu",
66 "cmdUnderTest": "$TC actions add action police rate 90kbit burst 10k mtu 1k index 98",
69 "matchPattern": "action order [0-9]*: police 0x62 rate 90Kbit burst 10Kb mtu 1Kb",
90 …"cmdUnderTest": "$TC actions add action police rate 90kbit burst 10k mtu 2kb peakrate 100kbit inde…
93 …"matchPattern": "action order [0-9]*: police 0x3 rate 90Kbit burst 10Kb mtu 2Kb peakrate 100Kbit",
101 "name": "Add police action with peakrate and no mtu",
141 …"matchPattern": "action order [0-9]*: police 0x40 rate 1Mbit burst 100Kb mtu 2Kb action reclassif…
165 …"matchPattern": "action order [0-9]*: police 0x8 rate 2Mbit burst 200Kb mtu 2Kb action reclassify…
189 …"matchPattern": "action order [0-9]*: police 0x8 rate 2Mbit burst 200Kb mtu 2Kb action reclassify…
213 …"matchPattern": "action order [0-9]*: police 0x1 rate 3Mbit burst 250Kb mtu 2Kb action continue/d…
[all …]
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| /Linux-v6.1/net/ipv6/ |
| D | xfrm6_output.c | 19 void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu) in xfrm6_local_rxpmtu() argument
27 ipv6_local_rxpmtu(sk, &fl6, mtu); in xfrm6_local_rxpmtu()
30 void xfrm6_local_error(struct sk_buff *skb, u32 mtu) in xfrm6_local_error() argument
40 ipv6_local_error(sk, EMSGSIZE, &fl6, mtu); in xfrm6_local_error()
65 unsigned int mtu; in __xfrm6_output() local
79 mtu = ip6_skb_dst_mtu(skb); in __xfrm6_output()
81 mtu = dst_mtu(skb_dst(skb)); in __xfrm6_output()
83 toobig = skb->len > mtu && !skb_is_gso(skb); in __xfrm6_output()
86 xfrm6_local_rxpmtu(skb, mtu); in __xfrm6_output()
93 xfrm_local_error(skb, mtu); in __xfrm6_output()
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| D | ip6_output.c | 141 struct sk_buff *skb, unsigned int mtu) in ip6_finish_output_gso_slowpath_drop() argument
149 * egress MTU. in ip6_finish_output_gso_slowpath_drop()
174 unsigned int mtu; in __ip6_finish_output() local
184 mtu = ip6_skb_dst_mtu(skb); in __ip6_finish_output()
187 !skb_gso_validate_network_len(skb, mtu)) in __ip6_finish_output()
188 return ip6_finish_output_gso_slowpath_drop(net, sk, skb, mtu); in __ip6_finish_output()
190 if ((skb->len > mtu && !skb_is_gso(skb)) || in __ip6_finish_output()
264 u32 mtu; in ip6_xmit() local
329 mtu = dst_mtu(dst); in ip6_xmit()
330 if ((skb->len <= mtu) || skb->ignore_df || skb_is_gso(skb)) { in ip6_xmit()
[all …]
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| /Linux-v6.1/net/rxrpc/ |
| D | peer_event.c | 44 *info = ntohs(icmp->un.frag.mtu); in rxrpc_lookup_peer_icmp_rcu()
347 * Handle an MTU/fragmentation problem.
349 static void rxrpc_adjust_mtu(struct rxrpc_peer *peer, unsigned int mtu) in rxrpc_adjust_mtu() argument
351 _net("Rx ICMP Fragmentation Needed (%d)", mtu); in rxrpc_adjust_mtu()
353 /* wind down the local interface MTU */ in rxrpc_adjust_mtu()
354 if (mtu > 0 && peer->if_mtu == 65535 && mtu < peer->if_mtu) { in rxrpc_adjust_mtu()
355 peer->if_mtu = mtu; in rxrpc_adjust_mtu()
356 _net("I/F MTU %u", mtu); in rxrpc_adjust_mtu()
359 if (mtu == 0) { in rxrpc_adjust_mtu()
361 mtu = peer->if_mtu; in rxrpc_adjust_mtu()
[all …]
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| /Linux-v6.1/include/net/ |
| D | ip6_route.h | 185 void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu, int oif,
187 void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, __be32 mtu);
203 void rt6_mtu_change(struct net_device *dev, unsigned int mtu);
271 unsigned int mtu; in ip6_skb_dst_mtu() local
274 mtu = READ_ONCE(dst->dev->mtu); in ip6_skb_dst_mtu()
275 mtu -= lwtunnel_headroom(dst->lwtstate, mtu); in ip6_skb_dst_mtu()
277 mtu = dst_mtu(dst); in ip6_skb_dst_mtu()
279 return mtu; in ip6_skb_dst_mtu()
323 unsigned int mtu; in ip6_dst_mtu_maybe_forward() local
326 mtu = dst_metric_raw(dst, RTAX_MTU); in ip6_dst_mtu_maybe_forward()
[all …]
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| /Linux-v6.1/drivers/infiniband/hw/irdma/ |
| D | main.c | 55 static void irdma_log_invalid_mtu(u16 mtu, struct irdma_sc_dev *dev) in irdma_log_invalid_mtu() argument
57 if (mtu < IRDMA_MIN_MTU_IPV4) in irdma_log_invalid_mtu()
58 …ibdev_warn(to_ibdev(dev), "MTU setting [%d] too low for RDMA traffic. Minimum MTU is 576 for IPv4\… in irdma_log_invalid_mtu()
59 else if (mtu < IRDMA_MIN_MTU_IPV6) in irdma_log_invalid_mtu()
60 …ibdev_warn(to_ibdev(dev), "MTU setting [%d] too low for RDMA traffic. Minimum MTU is 1280 for IPv6… in irdma_log_invalid_mtu()
94 ibdev_dbg(&iwdev->ibdev, "CLNT: new MTU = %d\n", iwdev->netdev->mtu); in irdma_iidc_event_handler()
95 if (iwdev->vsi.mtu != iwdev->netdev->mtu) { in irdma_iidc_event_handler()
96 l2params.mtu = iwdev->netdev->mtu; in irdma_iidc_event_handler()
98 irdma_log_invalid_mtu(l2params.mtu, &iwdev->rf->sc_dev); in irdma_iidc_event_handler()
288 l2params.mtu = iwdev->netdev->mtu; in irdma_probe()
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| /Linux-v6.1/net/caif/ |
| D | chnl_net.c | 24 /* GPRS PDP connection has MTU to 1500 */
205 if (skb->len > priv->netdev->mtu) { in chnl_net_start_xmit()
206 pr_warn("Size of skb exceeded MTU\n"); in chnl_net_start_xmit()
245 int llifindex, headroom, tailroom, mtu; in chnl_net_open() local
280 * MTU, head-room etc is not know before we have a in chnl_net_open()
281 * CAIF link layer device available. MTU calculation may in chnl_net_open()
283 * MTU is minimum of current mtu, link layer mtu pluss in chnl_net_open()
284 * CAIF head and tail, and PDP GPRS contexts max MTU. in chnl_net_open()
286 mtu = min_t(int, dev->mtu, lldev->mtu - (headroom + tailroom)); in chnl_net_open()
287 mtu = min_t(int, GPRS_PDP_MTU, mtu); in chnl_net_open()
[all …]
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| /Linux-v6.1/net/sched/ |
| D | sch_teql.c | 193 dev->mtu < m->dev->mtu) in teql_qdisc_init()
202 if (dev->mtu < m->dev->mtu) in teql_qdisc_init()
203 m->dev->mtu = dev->mtu; in teql_qdisc_init()
210 m->dev->mtu = dev->mtu; in teql_qdisc_init()
359 int mtu = 0xFFFE; in teql_master_open() local
374 if (slave->mtu < mtu) in teql_master_open()
375 mtu = slave->mtu; in teql_master_open()
391 m->dev->mtu = mtu; in teql_master_open()
422 if (new_mtu > qdisc_dev(q)->mtu) in teql_master_mtu()
427 dev->mtu = new_mtu; in teql_master_mtu()
[all …]
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| /Linux-v6.1/drivers/net/ethernet/marvell/octeon_ep/ |
| D | octep_ctrl_net.h | 59 /* get/set mtu request */
115 struct octep_ctrl_net_h2f_req_cmd_mtu mtu; member
135 /* get mtu response */
157 struct octep_ctrl_net_h2f_resp_cmd_mtu mtu; member
204 /* size in words of get/set mtu request */
215 /* size in words of get mtu response */
217 /* size in words of set mtu response */
270 /** Set mtu in firmware.
273 * @param mtu: mtu.
275 int octep_set_mtu(struct octep_device *oct, int mtu);
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| /Linux-v6.1/net/ipv4/ |
| D | ip_forward.c | 43 static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu) in ip_exceeds_mtu() argument
45 if (skb->len <= mtu) in ip_exceeds_mtu()
51 /* original fragment exceeds mtu and DF is set */ in ip_exceeds_mtu()
52 if (unlikely(IPCB(skb)->frag_max_size > mtu)) in ip_exceeds_mtu()
58 if (skb_is_gso(skb) && skb_gso_validate_network_len(skb, mtu)) in ip_exceeds_mtu()
88 u32 mtu; in ip_forward() local
135 mtu = ip_dst_mtu_maybe_forward(&rt->dst, true); in ip_forward()
136 if (ip_exceeds_mtu(skb, mtu)) { in ip_forward()
139 htonl(mtu)); in ip_forward()
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